Known (probable) primes of form (x^n-y^n)/(x-y), x = 5 .. 9999


   x = 5

          y = 2
          n = 2             1 digits               Prime    
          n = 5             4 digits               Prime    
          n = 7             5 digits               Prime    
          n = 13            9 digits               Prime    
          n = 19           13 digits               Prime    
          n = 37           26 digits               Prime    
          n = 59           41 digits               Prime    
          n = 67           47 digits               Prime    
          n = 79           55 digits               Prime    
          n = 307         215 digits               Prime    
          n = 331         231 digits               Prime    
          n = 599         419 digits               Prime    
          n = 1301        909 digits               Prime    
          n = 12263      8571 digits               PRP      Robert Price
          n = 12589      8799 digits               PRP      Robert Price
          n = 18443     12891 digits    Jul 2004   PRP      Hugo Pfoertner
          n = 20149     14084 digits    Apr 2012   PRP      Robert Price
          n = 27983     19559 digits    Apr 2012   PRP      Robert Price
          n = 281807   196975 digits    Aug 2023   PRP      Jon Grantham
          n = 656657   458984 digits    Aug 2023   PRP      Jon Grantham
          n = 795829   556261 digits    Aug 2023   PRP      Jon Grantham
          n = 832151   581649 digits    Aug 2023   PRP      Jon Grantham

          y = 3
          n = 13            9 digits               Prime    
          n = 19           13 digits               Prime    
          n = 23           16 digits               Prime    
          n = 31           22 digits               Prime    
          n = 47           33 digits               Prime    
          n = 127          89 digits               Prime    
          n = 223         156 digits               Prime    
          n = 281         197 digits               Prime    
          n = 2083       1456 digits    Oct 2006   Prime    Farideh Firoozbakht
          n = 5281       3691 digits    Oct 2006   Prime    Farideh Firoozbakht
          n = 7411       5180 digits    Oct 2006   Prime    Farideh Firoozbakht
          n = 7433       5196 digits    Oct 2006   Prime    Farideh Firoozbakht
          n = 19051     13316 digits    Oct 2007   PRP      Lelio R Paula
          n = 27239     19039 digits    Jan 2009   PRP      Lelio R Paula
          n = 35863     25067 digits    Feb 2009   PRP      Lelio R Paula
          n = 70327     49157 digits    Aug 2011   PRP      Robert Price
          n = 128941    90126 digits    May 2022   PRP      Kellen Shenton
          n = 147571   103148 digits    May 2022   PRP      Kellen Shenton
          n = 182099   127282 digits    May 2022   PRP      Kellen Shenton
          n = 866029   605328 digits    Aug 2023   PRP      Jon Grantham


   x = 7

          y = 2
          n = 3             2 digits               Prime    
          n = 7             6 digits               Prime    
          n = 19           16 digits               Prime    
          n = 79           67 digits               Prime    
          n = 431         364 digits               Prime    
          n = 1373       1160 digits               Prime    
          n = 1801       1522 digits               Prime    
          n = 2897       2448 digits               Prime    
          n = 46997     39717 digits    Aug 2012   PRP      Robert Price
          n = 341063   288231 digits    Aug 2023   PRP      Jon Grantham
          n = 508867   430042 digits    Aug 2023   PRP      Jon Grantham
          n = 720497   608890 digits    Aug 2023   PRP      Jon Grantham
          n = 846913   715724 digits    Aug 2023   PRP      Jon Grantham

          y = 3
          n = 3             2 digits               Prime    
          n = 7             6 digits               Prime    
          n = 19           16 digits               Prime    
          n = 109          92 digits               Prime    
          n = 131         111 digits               Prime    
          n = 607         513 digits               Prime    
          n = 863         729 digits               Prime    
          n = 2917       2465 digits    Apr 2007   Prime    Farideh Firoozbakht
          n = 5923       5005 digits    Apr 2007   Prime    Farideh Firoozbakht
          n = 12421     10497 digits    Jun 2011   PRP      Robert Price
          n = 187507   158462 digits    Aug 2023   PRP      Jon Grantham
          n = 353501   298743 digits    Aug 2023   PRP      Jon Grantham
          n = 817519   690884 digits    Aug 2023   PRP      Jon Grantham

          y = 4
          n = 2             2 digits               Prime    
          n = 5             4 digits               Prime    
          n = 11            9 digits               Prime    
          n = 61           52 digits               Prime    
          n = 619         523 digits               Prime    
          n = 2879       2433 digits               Prime    
          n = 2957       2499 digits               Prime    
          n = 24371     20596 digits    Jun 2012   PRP      Robert Price
          n = 69247     58521 digits    Jun 2012   PRP      Robert Price
          n = 376463   318148 digits    Jul 2023   PRP      Jon Grantham
          n = 571199   482719 digits    Jul 2023   PRP      Jon Grantham
          n = 624803   528020 digits    Jul 2023   PRP      Jon Grantham

          y = 5
          n = 3             3 digits               Prime    
          n = 5             4 digits               Prime    
          n = 7             6 digits               Prime    
          n = 113          96 digits               Prime    
          n = 397         336 digits               Prime    
          n = 577         488 digits               Prime    
          n = 7573       6400 digits    May 2012   Prime    Robert Price
          n = 14561     12306 digits    Oct 2007   PRP      Lelio R Paula
          n = 58543     49475 digits    May 2012   PRP      Robert Price
          n = 100019    84526 digits    Aug 2023   PRP      Jon Grantham
          n = 123407   104291 digits    Aug 2023   PRP      Jon Grantham
          n = 136559   115406 digits    Aug 2023   PRP      Jon Grantham
          n = 208283   176020 digits    Aug 2023   PRP      Jon Grantham
          n = 210761   178114 digits    Aug 2023   PRP      Jon Grantham
          n = 457871   386946 digits    Aug 2023   PRP      Jon Grantham
          n = 608347   514113 digits    Aug 2023   PRP      Jon Grantham
          n = 636043   537519 digits    Aug 2023   PRP      Jon Grantham


   x = 8

          y = 3
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 7             6 digits               Prime    
          n = 19           17 digits               Prime    
          n = 31           28 digits               Prime    
          n = 67           60 digits               Prime    
          n = 89           80 digits               Prime    
          n = 9227       8333 digits    Apr 2007   PRP      Farideh Firoozbakht
          n = 43891     39637 digits    Jul 2011   PRP      Robert Price
          n = 854149   771373 digits    Aug 2023   PRP      Jon Grantham

          y = 5
          n = 2             2 digits               Prime    
          n = 19           17 digits               Prime    
          n = 1021        922 digits               Prime    
          n = 5077       4585 digits    Dec 2012   Prime    Robert Price
          n = 34031     30733 digits    Dec 2012   PRP      Robert Price
          n = 46099     41632 digits    Dec 2012   PRP      Robert Price
          n = 65707     59339 digits    Dec 2012   PRP      Robert Price
          n = 347437   313767 digits    Aug 2023   PRP      Jon Grantham


   x = 9

          y = 2
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 5             4 digits               Prime    
          n = 13           12 digits               Prime    
          n = 29           27 digits               Prime    
          n = 37           35 digits               Prime    
          n = 1021        974 digits               Prime    
          n = 1399       1335 digits               Prime    
          n = 2137       2039 digits               Prime    
          n = 4493       4287 digits               Prime    
          n = 5521       5268 digits               Prime    
          n = 108553   103586 digits    Jul 2023   PRP      Jon Grantham
          n = 200807   191618 digits    Jul 2023   PRP      Jon Grantham

          y = 4
          n = 2             2 digits               Prime    

          y = 5
          n = 3             3 digits               Prime    
          n = 11           10 digits               Prime    
          n = 17           16 digits               Prime    
          n = 173         165 digits               Prime    
          n = 839         801 digits               Prime    
          n = 971         926 digits               Prime    
          n = 40867     38997 digits    Jan 2013   PRP      Robert Price
          n = 45821     43724 digits    Jan 2013   PRP      Robert Price
          n = 147503   140754 digits    Jul 2023   PRP      Jon Grantham

          y = 7
          n = 3             3 digits               Prime    
          n = 5             5 digits               Prime    
          n = 7             7 digits               Prime    
          n = 4703       4488 digits    Mar 2017   Prime    Ray Chandler
          n = 30113     28735 digits    Nov 2014   PRP      Richard Fischer
          n = 835391   797166 digits    Jul 2023   PRP      Jon Grantham


   x = 10

          y = 3
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 5             5 digits               Prime    
          n = 37           37 digits               Prime    
          n = 599         599 digits               Prime    
          n = 38393     38393 digits    Jun 2011   PRP      Robert Price
          n = 51431     51431 digits    Jun 2011   PRP      Robert Price
          n = 118681   118681 digits    Aug 2023   PRP      Jon Grantham
          n = 376417   376417 digits    Aug 2023   PRP      Jon Grantham

          y = 7
          n = 2             2 digits               Prime    
          n = 31           31 digits               Prime    
          n = 103         103 digits               Prime    
          n = 617         617 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 10253     10253 digits    May 2016   PRP      Tim Johannes Ohrtmann
          n = 10691     10691 digits    May 2016   PRP      Tim Johannes Ohrtmann
          n = 35353     35353 digits    May 2018   PRP      Eric Chen
          n = 129587   129587 digits    Jul 2023   PRP      Jon Grantham
          n = 556441   556441 digits    Jul 2023   PRP      Jon Grantham


   x = 11

          y = 2
          n = 2             2 digits               Prime    
          n = 5             5 digits               Prime    
          n = 11           11 digits               Prime    
          n = 13           13 digits               Prime    
          n = 331         344 digits               Prime    
          n = 599         623 digits               Prime    
          n = 18839     19618 digits    Jan 2013   PRP      Robert Price
          n = 23747     24729 digits    Jan 2013   PRP      Robert Price
          n = 24371     25379 digits    Jan 2013   PRP      Robert Price
          n = 29339     30553 digits    Jan 2013   PRP      Robert Price
          n = 32141     33471 digits    Jan 2013   PRP      Robert Price
          n = 67421     70211 digits    Jan 2013   PRP      Robert Price

          y = 3
          n = 3             3 digits               Prime    
          n = 5             5 digits               Prime    
          n = 19           19 digits               Prime    
          n = 31           32 digits               Prime    
          n = 367         382 digits               Prime    
          n = 389         405 digits               Prime    
          n = 431         448 digits               Prime    
          n = 2179       2269 digits    Mar 2007   Prime    Ryan S. Propper
          n = 10667     11108 digits    Apr 2011   PRP      Robert Price
          n = 13103     13645 digits    Apr 2011   PRP      Robert Price
          n = 90397     94138 digits    Apr 2011   PRP      Robert Price

          y = 4
          n = 3             3 digits               Prime    
          n = 5             5 digits               Prime    
          n = 11           11 digits               Prime    
          n = 17           17 digits               Prime    
          n = 71           74 digits               Prime    
          n = 89           92 digits               Prime    
          n = 827         861 digits               Prime    
          n = 22307     23230 digits    Mar 2013   PRP      Robert Price
          n = 45893     47792 digits    Mar 2013   PRP      Robert Price
          n = 63521     66150 digits    Mar 2013   PRP      Robert Price

          y = 5
          n = 5             5 digits               Prime    
          n = 41           42 digits               Prime    
          n = 149         155 digits               Prime    
          n = 229         238 digits               Prime    
          n = 263         274 digits               Prime    
          n = 739         769 digits               Prime    
          n = 3457       3600 digits    Jan 2013   Prime    Robert Price
          n = 20269     21108 digits    Jan 2013   PRP      Robert Price
          n = 98221    102286 digits    Jan 2013   PRP      Robert Price

          y = 6
          n = 2             2 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 3             3 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 11           11 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 163         170 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 191         199 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 269         280 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 1381       1438 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 1493       1555 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 38453     40044 digits    May 2018   PRP      Eric Chen

          y = 7
          n = 5             5 digits               Prime    
          n = 19           20 digits               Prime    
          n = 67           70 digits               Prime    
          n = 107         111 digits               Prime    
          n = 593         617 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 757         788 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 1801       1875 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 2243       2336 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 2383       2482 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 6043       6293 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 10181     10602 digits    May 2016   PRP      Tim Johannes Ohrtmann
          n = 11383     11854 digits    May 2016   PRP      Tim Johannes Ohrtmann
          n = 15629     16276 digits    May 2016   PRP      Tim Johannes Ohrtmann

          y = 8
          n = 2             2 digits               Prime    
          n = 7             7 digits               Prime    
          n = 11           11 digits               Prime    
          n = 17           18 digits               Prime    
          n = 37           39 digits               Prime    
          n = 521         543 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 877         913 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 2423       2523 digits    May 2016   Prime    Tim Johannes Ohrtmann

          y = 9
          n = 5             5 digits               Prime    
          n = 31           32 digits               Prime    
          n = 271         282 digits               Prime    
          n = 929         968 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 2789       2905 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 4153       4325 digits    May 2016   Prime    Tim Johannes Ohrtmann


   x = 12

          y = 5
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 31           33 digits               Prime    
          n = 41           44 digits               Prime    
          n = 53           57 digits               Prime    
          n = 101         109 digits               Prime    
          n = 421         454 digits               Prime    
          n = 1259       1358 digits    Jul 2012   Prime    Ray G. Opao
          n = 4721       5094 digits    Jul 2012   Prime    Ray G. Opao
          n = 45259     48842 digits    Mar 2013   PRP      Robert Price

          y = 7
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 7             7 digits               Prime    
          n = 13           14 digits               Prime    
          n = 47           51 digits               Prime    
          n = 89           96 digits               Prime    
          n = 139         150 digits               Prime    
          n = 523         564 digits    May 2016   Prime    Tim Johannes Ohrtmann
          n = 1051       1134 digits    May 2016   Prime    Tim Johannes Ohrtmann


   x = 13

          y = 2
          n = 3             3 digits               Prime    
          n = 5             5 digits               Prime    
          n = 31           34 digits               Prime    
          n = 73           81 digits               Prime    
          n = 89           99 digits               Prime    
          n = 521         580 digits               Prime    
          n = 3943       4392 digits               Prime    
          n = 8719       9712 digits               PRP      Robert Price

          y = 3
          n = 7             7 digits               Prime    
          n = 31           34 digits               Prime    
          n = 41           45 digits               Prime    
          n = 269         299 digits               Prime    
          n = 283         315 digits               Prime    
          n = 7333       8168 digits               PRP      Robert Price
          n = 8803       9806 digits    Aug 2011   PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    
          n = 5             5 digits               Prime    
          n = 19           21 digits               Prime    
          n = 109         121 digits               Prime    
          n = 157         174 digits               Prime    
          n = 8521       9491 digits               PRP      Robert Price
          n = 26017     28981 digits    Apr 2013   PRP      Robert Price
          n = 26177     29159 digits    Apr 2013   PRP      Robert Price

          y = 5
          n = 5             5 digits               Prime    
          n = 19           21 digits               Prime    
          n = 71           79 digits               Prime    
          n = 197         219 digits               Prime    
          n = 659         734 digits               Prime    
          n = 22079     24594 digits    Mar 2013   PRP      Robert Price
          n = 61949     69007 digits    Mar 2013   PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 19           21 digits               Prime    
          n = 71           79 digits               Prime    
          n = 127         141 digits               Prime    
          n = 3833       4269 digits    Jan 2022   PRP      
          n = 12421     13836 digits    May 2026   PRP      

          y = 7
          n = 7             8 digits               Prime    
          n = 23           25 digits               Prime    
          n = 43           48 digits               Prime    
          n = 83           92 digits               Prime    
          n = 167         186 digits               Prime    
          n = 223         248 digits               Prime    
          n = 733         816 digits               Prime    
          n = 2027       2258 digits    Apr 2022   Prime    Kevin Thompson

          y = 8
          n = 3             3 digits               Prime    
          n = 13           14 digits               Prime    
          n = 61           68 digits               Prime    
          n = 67           74 digits               Prime    
          n = 313         348 digits               Prime    
          n = 491         547 digits    Mar 2018   Prime    Ben Chaffin
          n = 1657       1846 digits    Apr 2022   Prime    
          n = 4093       4559 digits    Jan 2022   PRP      

          y = 9
          n = 3             3 digits               Prime    
          n = 29           32 digits               Prime    
          n = 31           34 digits               Prime    
          n = 61           68 digits               Prime    
          n = 73           81 digits               Prime    
          n = 211         235 digits               Prime    
          n = 409         456 digits    Mar 2018   Prime    Ben Chaffin
          n = 541         603 digits    Sep 2021   Prime    
          n = 1979       2204 digits    Aug 2022   Prime    
          n = 2423       2699 digits    Nov 2022   Prime    
          n = 4007       4463 digits    Jun 2026   PRP      Norman Luhn
          n = 13759     15327 digits    Jun 2026   PRP      
          n = 19213     21402 digits    Jun 2026   PRP      

          y = 10
          n = 2             2 digits               Prime    
          n = 251         280 digits               Prime    
          n = 457         509 digits    Mar 2018   Prime    Ben Chaffin
          n = 811         903 digits    Mar 2018   Prime    Ben Chaffin
          n = 1709       1904 digits    Mar 2022   Prime    
          n = 6217       6925 digits    Jun 2026   PRP      

          y = 11
          n = 3             4 digits               Prime    
          n = 11           12 digits               Prime    
          n = 19           21 digits               Prime    
          n = 43           48 digits               Prime    
          n = 239         266 digits               Prime    
          n = 353         393 digits               Prime    
          n = 397         442 digits               Prime    
          n = 599         667 digits               Prime    
          n = 1109       1236 digits               Prime    
          n = 2099       2338 digits               Prime    
          n = 38047     42382 digits    May 2021   PRP      Richard Fischer


   x = 14

          y = 3
          n = 2             2 digits               Prime    
          n = 5             5 digits               Prime    
          n = 13           14 digits               Prime    
          n = 67           76 digits               Prime    
          n = 2657       3045 digits               Prime    
          n = 3547       4065 digits               Prime    
          n = 15649     17935 digits    Sep 2011   PRP      Robert Price

          y = 5
          n = 2             2 digits               Prime    
          n = 151         173 digits               Prime    
          n = 673         771 digits               Prime    
          n = 709         812 digits               Prime    
          n = 2999       3437 digits    May 2008   Prime    Herman Jamke
          n = 17909     20526 digits    Apr 2013   PRP      Robert Price
          n = 77213     88496 digits    Apr 2013   PRP      Robert Price

          y = 9
          n = 2             2 digits               Prime    
          n = 59           67 digits               Prime    
          n = 61           70 digits               Prime    
          n = 167         191 digits               Prime    
          n = 1783       2043 digits               Prime    
          n = 47303     54215 digits    May 2024   PRP      Aurel Gibier

          y = 11
          n = 5             6 digits               Prime    
          n = 79           91 digits               Prime    
          n = 8209       9409 digits    May 2024   PRP      


   x = 15

          y = 2
          n = 2             2 digits               Prime    
          n = 5             5 digits               Prime    
          n = 11           12 digits               Prime    
          n = 167         196 digits               Prime    
          n = 317         372 digits               Prime    
          n = 337         396 digits               Prime    
          n = 349         410 digits               Prime    
          n = 3449       4056 digits               Prime    
          n = 7517       8840 digits               PRP      Robert Price
          n = 23003     27053 digits    May 2013   PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    
          n = 1097       1290 digits               Prime    
          n = 2243       2637 digits               Prime    
          n = 2857       3360 digits               Prime    
          n = 4357       5124 digits               Prime    
          n = 6803       8000 digits               Prime    
          n = 20747     24400 digits    May 2014   PRP      Robert Price
          n = 24571     28897 digits    May 2014   PRP      Robert Price

          y = 7
          n = 3             3 digits               Prime    
          n = 5             5 digits               Prime    
          n = 19           22 digits               Prime    
          n = 89          104 digits               Prime    
          n = 107         125 digits               Prime    
          n = 109         128 digits               Prime    
          n = 157         184 digits               Prime    
          n = 223         262 digits               Prime    
          n = 389         457 digits               Prime    
          n = 967        1137 digits               Prime    
          n = 1669       1962 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 1123       1320 digits               Prime    
          n = 9091      10692 digits    Jun 2026   PRP      Norman Luhn

          y = 11
          n = 7             8 digits               Prime    
          n = 13           15 digits               Prime    
          n = 17           20 digits               Prime    
          n = 37           43 digits               Prime    

          y = 13
          n = 17           20 digits               Prime    
          n = 383         451 digits               Prime    
          n = 421         495 digits               Prime    
          n = 1049       1234 digits               Prime    
          n = 7411       8716 digits               PRP      


   x = 16

          y = 3
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 31           37 digits               Prime    
          n = 467         562 digits               Prime    
          n = 1747       2103 digits    Apr 2007   Prime    Farideh Firoozbakht
          n = 29683     35741 digits    Sep 2011   PRP      Robert Price

          y = 5
          n = 7             8 digits               Prime    
          n = 13           15 digits               Prime    
          n = 109         131 digits               Prime    
          n = 139         167 digits               Prime    
          n = 967        1164 digits               Prime    
          n = 60013     72262 digits    Jul 2013   PRP      Robert Price
          n = 97613    117537 digits    Jul 2013   PRP      Robert Price

          y = 7
          n = 2             2 digits               Prime    
          n = 5             6 digits               Prime    
          n = 79           95 digits               Prime    
          n = 241         290 digits               Prime    
          n = 1187       1429 digits               Prime    
          n = 2749       3310 digits               Prime    
          n = 3037       3656 digits               PRP      
          n = 9791      11789 digits    Jun 2026   PRP      Norman Luhn

          y = 11
          n = 13           15 digits               Prime    
          n = 17           20 digits               Prime    
          n = 47           56 digits               Prime    
          n = 613         738 digits               Prime    
          n = 1187       1429 digits               Prime    
          n = 1613       1942 digits               Prime    
          n = 4261       5131 digits               PRP      

          y = 13
          n = 2             2 digits               Prime    
          n = 41           49 digits               Prime    
          n = 73           88 digits               Prime    
          n = 101         122 digits               Prime    
          n = 3917       4717 digits               PRP      


   x = 17

          y = 2
          n = 2             2 digits               Prime    
          n = 83          101 digits               Prime    
          n = 1907       2346 digits               Prime    
          n = 2591       3187 digits               Prime    
          n = 16223     19961 digits    Jul 2013   PRP      Robert Price
          n = 17183     21142 digits    Jul 2013   PRP      Robert Price

          y = 3
          n = 3             3 digits               Prime    
          n = 11           13 digits               Prime    
          n = 17           20 digits               Prime    
          n = 491         604 digits               Prime    
          n = 23029     28335 digits    Nov 2011   PRP      Robert Price

          y = 4
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 7             8 digits               Prime    
          n = 11           13 digits               Prime    
          n = 31           38 digits               Prime    
          n = 101         124 digits               Prime    
          n = 887        1091 digits               Prime    
          n = 4861       5981 digits               Prime    

          y = 5
          n = 5             6 digits               Prime    
          n = 7             8 digits               Prime    
          n = 17           20 digits               Prime    
          n = 23           28 digits               Prime    
          n = 43           52 digits               Prime    
          n = 71           87 digits               Prime    
          n = 239         293 digits               Prime    
          n = 733         901 digits               Prime    
          n = 1097       1349 digits               Prime    

          y = 6
          n = 2             2 digits               Prime    
          n = 29           35 digits               Prime    
          n = 101         124 digits               Prime    
          n = 2731       3360 digits               Prime    

          y = 7
          n = 3             3 digits               Prime    
          n = 67           82 digits               Prime    
          n = 89          109 digits               Prime    
          n = 4027       4955 digits               PRP      

          y = 8
          n = 7             8 digits               Prime    
          n = 11           13 digits               Prime    
          n = 29           35 digits               Prime    
          n = 569         700 digits               Prime    

          y = 9
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 19           23 digits               Prime    
          n = 401         493 digits               Prime    
          n = 751         924 digits               Prime    
          n = 1229       1512 digits               Prime    
          n = 4723       5811 digits               PRP      
          n = 9109      11208 digits    Jun 2026   PRP      Norman Luhn

          y = 10
          n = 23           28 digits               Prime    
          n = 59           72 digits               Prime    
          n = 223         274 digits               Prime    
          n = 479         589 digits               Prime    
          n = 719         884 digits               Prime    
          n = 983        1209 digits               Prime    
          n = 2477       3047 digits               Prime    
          n = 2593       3190 digits               Prime    
          n = 7243       8912 digits    Jun 2026   PRP      Norman Luhn

          y = 11
          n = 5             6 digits               Prime    
          n = 19           23 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 19           23 digits               Prime    
          n = 2269       2792 digits               Prime    

          y = 13
          n = 487         599 digits               Prime    
          n = 1163       1431 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    
          n = 139         171 digits               Prime    
          n = 157         193 digits               Prime    
          n = 271         333 digits               Prime    
          n = 9829      12094 digits    Jun 2026   PRP      Norman Luhn

          y = 15
          n = 3             4 digits               Prime    
          n = 5             6 digits               Prime    
          n = 47           58 digits               Prime    
          n = 293         361 digits               Prime    
          n = 2887       3553 digits               Prime    
          n = 3251       4000 digits               Prime    
          n = 38713     47635 digits    May 2021   PRP      Richard Fischer


   x = 18

          y = 5
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 19           23 digits               Prime    
          n = 23           28 digits               Prime    
          n = 31           38 digits               Prime    
          n = 37           46 digits               Prime    
          n = 251         314 digits               Prime    
          n = 283         355 digits               Prime    
          n = 977        1226 digits               Prime    
          n = 28687     36009 digits    Aug 2013   PRP      Robert Price
          n = 32993     41415 digits    Aug 2013   PRP      Robert Price

          y = 7
          n = 3             3 digits               Prime    
          n = 2011       2524 digits               Prime    
          n = 6043       7585 digits    Jun 2026   PRP      Norman Luhn

          y = 11
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 11           13 digits               Prime    
          n = 41           51 digits               Prime    
          n = 8713      10937 digits    Jun 2026   PRP      Norman Luhn

          y = 13
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7             9 digits               Prime    
          n = 19           24 digits               Prime    
          n = 53           66 digits               Prime    
          n = 89          112 digits               Prime    
          n = 191         240 digits               Prime    
          n = 331         415 digits               Prime    
          n = 1613       2025 digits               Prime    
          n = 1907       2394 digits               Prime    
          n = 6353       7975 digits    Jun 2026   PRP      Norman Luhn


   x = 19

          y = 2
          n = 11           13 digits               Prime    
          n = 19           24 digits               Prime    
          n = 79          100 digits               Prime    
          n = 631         806 digits               Prime    
          n = 1787       2284 digits               Prime    
          n = 2011       2571 digits               Prime    
          n = 2381       3044 digits               Prime    
          n = 20219     25854 digits    Sep 2013   PRP      Robert Price
          n = 49523     63327 digits    Sep 2013   PRP      Robert Price

          y = 3
          n = 73           93 digits               Prime    
          n = 271         346 digits               Prime    
          n = 421         538 digits               Prime    
          n = 2711       3466 digits    Apr 2007   Prime    Farideh Firoozbakht

          y = 4
          n = 2             2 digits               Prime    
          n = 7             8 digits               Prime    
          n = 11           13 digits               Prime    
          n = 31           39 digits               Prime    
          n = 47           59 digits               Prime    
          n = 139         177 digits               Prime    
          n = 263         336 digits               Prime    
          n = 769         983 digits               Prime    
          n = 20551     26279 digits    Aug 2013   PRP      Robert Price
          n = 21491     27481 digits    Aug 2013   PRP      Robert Price
          n = 112247   143536 digits    Mar 2021   PRP      Robert Price

          y = 5
          n = 5             6 digits               Prime    
          n = 17           21 digits               Prime    
          n = 31           39 digits               Prime    
          n = 59           75 digits               Prime    
          n = 373         476 digits               Prime    
          n = 643         822 digits               Prime    
          n = 2843       3635 digits    Jul 2013   Prime    Robert Price
          n = 5209       6660 digits    Jul 2013   Prime    Robert Price
          n = 85009    108705 digits    Jul 2013   PRP      Robert Price

          y = 6
          n = 19           24 digits               Prime    
          n = 73           93 digits               Prime    
          n = 1093       1397 digits               Prime    
          n = 1619       2070 digits               Prime    

          y = 7
          n = 7             8 digits               Prime    
          n = 229         292 digits               Prime    
          n = 1789       2287 digits               Prime    
          n = 2657       3397 digits               Prime    
          n = 2861       3658 digits               PRP      

          y = 8
          n = 3             3 digits               Prime    
          n = 13           16 digits               Prime    
          n = 19           24 digits               Prime    
          n = 23           29 digits               Prime    
          n = 113         144 digits               Prime    
          n = 151         193 digits               Prime    
          n = 641         819 digits               Prime    
          n = 2749       3515 digits               PRP      
          n = 3803       4863 digits               PRP      

          y = 9
          n = 3             3 digits               Prime    
          n = 7             8 digits               Prime    
          n = 11           14 digits               Prime    
          n = 17           21 digits               Prime    
          n = 2657       3397 digits               Prime    
          n = 9041      11561 digits    Jun 2026   PRP      Norman Luhn

          y = 10
          n = 2             2 digits               Prime    
          n = 17           21 digits               Prime    
          n = 2273       2906 digits               Prime    
          n = 3889       4973 digits               PRP      

          y = 11
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 41           52 digits               Prime    
          n = 1087       1390 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 17           21 digits               Prime    
          n = 19           24 digits               Prime    
          n = 47           60 digits               Prime    
          n = 97          124 digits               Prime    
          n = 109         139 digits               Prime    
          n = 223         285 digits               Prime    
          n = 337         431 digits               Prime    
          n = 389         497 digits               Prime    
          n = 2447       3129 digits               Prime    
          n = 2621       3351 digits               Prime    
          n = 3407       4356 digits               PRP      
          n = 8929      11418 digits    Jun 2026   PRP      Norman Luhn

          y = 13
          n = 7             9 digits               Prime    
          n = 11           14 digits               Prime    
          n = 137         175 digits               Prime    
          n = 367         469 digits               Prime    
          n = 947        1211 digits               Prime    
          n = 3229       4129 digits               PRP      
          n = 4957       6339 digits               PRP      
          n = 6959       8899 digits    Jun 2026   PRP      Norman Luhn

          y = 14
          n = 3             4 digits               Prime    

          y = 15
          n = 5             6 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           22 digits               Prime    
          n = 31           40 digits               Prime    
          n = 79          101 digits               Prime    
          n = 523         669 digits               Prime    
          n = 4799       6137 digits               PRP      

          y = 16
          n = 5             6 digits               Prime    
          n = 47           60 digits               Prime    
          n = 241         308 digits               Prime    
          n = 1693       2165 digits               Prime    

          y = 17
          n = 163         209 digits               Prime    
          n = 4649       5945 digits               PRP      
          n = 31193     39888 digits    Dec 2020   PRP      Richard Fischer


   x = 20

          y = 3
          n = 2             2 digits               Prime    
          n = 43           55 digits               Prime    
          n = 1723       2241 digits               Prime    
          n = 2971       3865 digits               PRP      Robert Price
          n = 3257       4237 digits               Prime    
          n = 12263     15954 digits               PRP      Robert Price
          n = 38933     50652 digits    Jan 2025   PRP      Robert Price

          y = 7
          n = 5             6 digits               Prime    
          n = 19           24 digits               Prime    
          n = 653         849 digits               Prime    
          n = 5273       6860 digits    Jun 2026   PRP      Norman Luhn
          n = 7537       9805 digits    Jun 2026   PRP      Norman Luhn

          y = 9
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           22 digits               Prime    
          n = 41           53 digits               Prime    
          n = 197         256 digits               Prime    
          n = 709         922 digits               Prime    
          n = 5393       7016 digits    Jun 2026   PRP      Norman Luhn

          y = 11
          n = 2             2 digits               Prime    
          n = 5             6 digits               Prime    
          n = 31           40 digits               Prime    
          n = 41           53 digits               Prime    
          n = 53           69 digits               Prime    
          n = 263         342 digits               Prime    
          n = 311         404 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 239         311 digits               Prime    
          n = 983        1279 digits               Prime    
          n = 1051       1367 digits               Prime    

          y = 17
          n = 2             3 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           22 digits               Prime    
          n = 569         740 digits               Prime    


   x = 21

          y = 2
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 353         466 digits               Prime    Robert Price
          n = 751         992 digits               Prime    Robert Price
          n = 9587      12675 digits               PRP      Robert Price

          y = 4
          n = 3             3 digits               Prime    
          n = 19           24 digits               Prime    
          n = 463         611 digits               Prime    Robert Price
          n = 13681     18089 digits               PRP      Robert Price

          y = 5
          n = 3             3 digits               Prime    
          n = 73           96 digits               Prime    
          n = 89          117 digits               Prime    
          n = 97          128 digits               Prime    
          n = 23581     31179 digits               PRP      Robert Price

          y = 8
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 11           14 digits               Prime    
          n = 17           22 digits               Prime    
          n = 41           54 digits               Prime    
          n = 67           88 digits               Prime    
          n = 149         196 digits               Prime    
          n = 211         278 digits               Prime    
          n = 1091       1442 digits               Prime    
          n = 5009       6622 digits    Jun 2026   PRP      Norman Luhn

          y = 10
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 7             9 digits               Prime    
          n = 19           25 digits               Prime    
          n = 107         141 digits               Prime    
          n = 269         355 digits               Prime    
          n = 283         374 digits               Prime    

          y = 11
          n = 31           40 digits               Prime    
          n = 131         173 digits               Prime    
          n = 401         530 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 7             9 digits               Prime    
          n = 11           14 digits               Prime    
          n = 17           22 digits               Prime    
          n = 643         850 digits               Prime    
          n = 4259       5631 digits    Jan 2022   PRP      
          n = 8719      11528 digits    Sep 2019   PRP      

          y = 16
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 13           17 digits               Prime    
          n = 43           57 digits               Prime    
          n = 97          128 digits               Prime    
          n = 197         260 digits               Prime    
          n = 727         961 digits               Prime    
          n = 1553       2053 digits    May 2022   Prime    Kevin Thompson
          n = 4751       6282 digits    Jan 2022   PRP      

          y = 17
          n = 3             4 digits               Prime    
          n = 31           41 digits               Prime    
          n = 47           62 digits               Prime    
          n = 97          128 digits               Prime    
          n = 401         530 digits               Prime    
          n = 503         665 digits               Prime    
          n = 617         816 digits               Prime    
          n = 1549       2048 digits               Prime    
          n = 3343       4420 digits    Jan 2022   PRP      
          n = 6529       8633 digits    Jun 2026   PRP      Norman Luhn
          n = 7333       9696 digits    Jun 2026   PRP      Norman Luhn

          y = 19
          n = 3             4 digits               Prime    
          n = 17           23 digits               Prime    
          n = 59           78 digits               Prime    
          n = 239         316 digits               Prime    
          n = 743         983 digits               Prime    
          n = 6029       7972 digits               PRP      
          n = 9623      12724 digits               PRP      
          n = 14717     19459 digits    Jul 2014   PRP      Richard Fischer


   x = 22

          y = 3
          n = 5             6 digits               Prime    
          n = 31           41 digits               Prime    
          n = 823        1104 digits               Prime    Robert Price
          n = 15287     20521 digits               PRP      Robert Price
          n = 26293     35296 digits               PRP      Robert Price
          n = 32083     43068 digits               PRP      Robert Price
          n = 51263     68816 digits    Feb 2025   PRP      Robert Price
          n = 92791    124564 digits    Feb 2025   PRP      Robert Price

          y = 5
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 661         887 digits               Prime    Robert Price
          n = 2797       3754 digits               PRP      Robert Price
          n = 3541       4753 digits               PRP      Robert Price
          n = 3613       4849 digits               PRP      Robert Price
          n = 19819     26605 digits               PRP      Robert Price
          n = 55373     74333 digits    Jun 2026   PRP      Robert Price

          y = 7
          n = 2             2 digits               Prime    
          n = 43           57 digits               Prime    
          n = 59           79 digits               Prime    
          n = 73           97 digits               Prime    
          n = 131         175 digits               Prime    
          n = 1487       1996 digits    Jun 2026   Prime    Norman Luhn
          n = 2383       3198 digits    Jun 2026   Prime    Norman Luhn
          n = 2953       3963 digits    Jun 2026   PRP      Norman Luhn

          y = 9
          n = 2             2 digits               Prime    
          n = 5             6 digits               Prime    
          n = 47           62 digits               Prime    
          n = 467         626 digits    Feb 2026   Prime    
          n = 1153       1547 digits    Jul 2026   Prime    Norman Luhn
          n = 2083       2796 digits    Jul 2026   Prime    Norman Luhn
          n = 2087       2801 digits    Jul 2026   Prime    Norman Luhn

          y = 13
          n = 17           22 digits               Prime    
          n = 1627       2184 digits               Prime    
          n = 7673      10300 digits    Jul 2026   PRP      Norman Luhn
          n = 8209      11019 digits    Jul 2026   PRP      Norman Luhn

          y = 15
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 13           17 digits               Prime    
          n = 71           95 digits               Prime    
          n = 157         210 digits               Prime    
          n = 839        1126 digits    Feb 2026   Prime    
          n = 1949       2616 digits    Jul 2026   Prime    Norman Luhn
          n = 4721       6337 digits    Jul 2026   PRP      Norman Luhn
          n = 11519     15463 digits    Jul 2026   PRP      Norman Luhn
          n = 15959     21423 digits    Jul 2026   PRP      Norman Luhn

          y = 19
          n = 2             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 13           17 digits               Prime    


   x = 23

          y = 2
          n = 5             6 digits               Prime    
          n = 11           14 digits               Prime    
          n = 197         267 digits               Prime    
          n = 4159       5663 digits               PRP      Robert Price

          y = 3
          n = 3             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 31           41 digits               Prime    
          n = 47           63 digits               Prime    
          n = 109         148 digits               Prime    
          n = 151         205 digits               Prime    
          n = 223         303 digits               Prime    Robert Price
          n = 463         630 digits               Prime    Robert Price
          n = 739        1006 digits               Prime    Robert Price
          n = 6427       8751 digits               PRP      Robert Price
          n = 17581     23940 digits               PRP      Robert Price
          n = 30517     41555 digits               PRP      Robert Price

          y = 4
          n = 7             9 digits               Prime    
          n = 59           80 digits               Prime    
          n = 167         227 digits               Prime    
          n = 173         235 digits               Prime    
          n = 277         376 digits               Prime    Robert Price
          n = 35339     48121 digits               PRP      Robert Price
          n = 41149     56033 digits               PRP      Robert Price
          n = 46441     63239 digits    Nov 2025   PRP      Robert Price

          y = 5
          n = 53           71 digits               Prime    
          n = 137         186 digits               Prime    
          n = 719         978 digits               Prime    Robert Price
          n = 2957       4026 digits               PRP      Robert Price
          n = 5483       7466 digits               PRP      Robert Price
          n = 8147      11093 digits               PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    
          n = 5             6 digits               Prime    

          y = 7
          n = 3             3 digits               Prime    
          n = 19           25 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    
          n = 7             9 digits               Prime    
          n = 11           14 digits               Prime    

          y = 10
          n = 3             3 digits               Prime    

          y = 11
          n = 7             9 digits               Prime    
          n = 17           23 digits               Prime    

          y = 12
          n = 5             6 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 7             9 digits               Prime    
          n = 13           17 digits               Prime    
          n = 19           25 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    

          y = 15
          n = 17           23 digits               Prime    

          y = 16
          n = 3             4 digits               Prime    
          n = 17           23 digits               Prime    
          n = 19           26 digits               Prime    

          y = 18
          n = 2             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           23 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    

          y = 20
          n = 2             3 digits               Prime    
          n = 17           23 digits               Prime    

          y = 21
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 397         541 digits    Apr 2014   Prime    Richard Fischer
          n = 3301       4495 digits    Apr 2014   Prime    Richard Fischer
          n = 8171      11127 digits    Dec 2013   PRP      Richard Fischer


   x = 24

          y = 5
          n = 2             2 digits               Prime    
          n = 5             6 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           23 digits               Prime    
          n = 47           64 digits               Prime    
          n = 1549       2137 digits               Prime    Robert Price
          n = 5393       7443 digits               PRP      Robert Price
          n = 5483       7567 digits               PRP      Robert Price
          n = 6397       8828 digits               PRP      Robert Price
          n = 11329     15636 digits               PRP      Robert Price
          n = 46301     63904 digits    Jan 2026   PRP      Robert Price

          y = 7
          n = 2             2 digits               Prime    

          y = 11
          n = 11           15 digits               Prime    
          n = 23           31 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    
          n = 19           26 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 17           23 digits               Prime    

          y = 19
          n = 2             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 11           15 digits               Prime    


   x = 25

          y = 2
          n = 11           15 digits               Prime    
          n = 199         277 digits               Prime    
          n = 509         711 digits               Prime    Robert Price
          n = 857        1197 digits               Prime    Robert Price
          n = 42841     59888 digits    Nov 2024   PRP      Robert Price

          y = 3
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    
          n = 43           59 digits               Prime    
          n = 709         990 digits               Prime    Robert Price
          n = 1151       1608 digits               Prime    Robert Price
          n = 3323       4645 digits               PRP      Robert Price
          n = 3643       5092 digits               PRP      Robert Price
          n = 4637       6481 digits               PRP      Robert Price
          n = 21661     30280 digits               PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    

          y = 6
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    

          y = 8
          n = 5             6 digits               Prime    
          n = 31           43 digits    Sep 2019   Prime    Richard Fischer
          n = 71           99 digits    Sep 2019   Prime    Richard Fischer
          n = 439         613 digits    Sep 2019   Prime    Richard Fischer
          n = 6353       8880 digits    Sep 2019   PRP      Richard Fischer

          y = 11
          n = 3             4 digits               Prime    
          n = 5             6 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 13
          n = 5             6 digits               Prime    

          y = 14
          n = 3             4 digits               Prime    
          n = 13           18 digits               Prime    

          y = 16
          n = 2             2 digits               Prime    

          y = 17
          n = 5             7 digits               Prime    
          n = 11           15 digits               Prime    

          y = 18
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 19
          n = 11           15 digits               Prime    

          y = 22
          n = 2             3 digits               Prime    
          n = 13           18 digits               Prime    

          y = 23
          n = 109         153 digits    Apr 2014   Prime    Richard Fischer
          n = 211         295 digits    Apr 2014   Prime    Richard Fischer


   x = 26

          y = 3
          n = 2             2 digits               Prime    
          n = 31           43 digits               Prime    
          n = 263         371 digits               Prime    Robert Price
          n = 743        1050 digits               Prime    Robert Price
          n = 1439       2035 digits               Prime    Robert Price
          n = 6661       9424 digits               PRP      Robert Price
          n = 78593    111206 digits    Feb 2025   PRP      Robert Price

          y = 5
          n = 2             2 digits               Prime    
          n = 79          111 digits               Prime    
          n = 2621       3708 digits               PRP      Robert Price
          n = 21841     30904 digits               PRP      Robert Price

          y = 7
          n = 3             3 digits               Prime    
          n = 5             6 digits               Prime    

          y = 9
          n = 3             4 digits               Prime    
          n = 19           26 digits               Prime    

          y = 11
          n = 2             2 digits               Prime    

          y = 15
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 17           24 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 7             9 digits               Prime    
          n = 11           15 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    

          y = 21
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 23
          n = 11           16 digits               Prime    


   x = 27

          y = 2
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 269         384 digits               Prime    Robert Price
          n = 401         573 digits               Prime    Robert Price
          n = 631         902 digits               Prime    Robert Price
          n = 701        1002 digits               Prime    Robert Price
          n = 1321       1890 digits               Prime    Robert Price
          n = 2707       3874 digits               PRP      Robert Price
          n = 5471       7830 digits               PRP      Robert Price
          n = 6581       9419 digits               PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 61           86 digits               Prime    
          n = 617         882 digits               Prime    Robert Price
          n = 10427     14924 digits               PRP      Robert Price
          n = 21529     30815 digits               PRP      Robert Price

          y = 5
          n = 5             6 digits               Prime    
          n = 53           75 digits               Prime    
          n = 56597     81010 digits    Feb 2026   PRP      Robert Price

          y = 7
          n = 3             3 digits               Prime    

          y = 8
          n = 3             4 digits               Prime    

          y = 10
          n = 2             2 digits               Prime    
          n = 5             6 digits               Prime    

          y = 11
          n = 5             6 digits               Prime    
          n = 17           24 digits               Prime    
          n = 19           26 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 23           32 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7             9 digits               Prime    
          n = 19           27 digits               Prime    

          y = 16
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7             9 digits               Prime    
          n = 13           18 digits               Prime    
          n = 151         216 digits    Sep 2019   Prime    Richard Fischer
          n = 457         654 digits    Sep 2019   Prime    Richard Fischer
          n = 691         989 digits    Sep 2019   Prime    Richard Fischer
          n = 5009       7169 digits    Sep 2019   PRP      Richard Fischer

          y = 17
          n = 11           15 digits               Prime    
          n = 17           24 digits               Prime    

          y = 19
          n = 13           18 digits               Prime    
          n = 17           24 digits               Prime    

          y = 20
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 23           33 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    
          n = 17           24 digits               Prime    

          y = 25
          n = 3             4 digits               Prime    
          n = 17           25 digits               Prime    
          n = 61           88 digits    Apr 2014   Prime    Richard Fischer
          n = 2777       3975 digits    Apr 2014   Prime    Richard Fischer
          n = 18211     26067 digits    Jun 2014   PRP      Richard Fischer
          n = 20183     28889 digits    Nov 2014   PRP      Richard Fischer


   x = 28

          y = 3
          n = 2             2 digits               Prime    
          n = 3             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 43           61 digits               Prime    
          n = 197         284 digits               Prime    
          n = 13397     19387 digits               PRP      Robert Price
          n = 28837     41731 digits               PRP      Robert Price
          n = 29153     42188 digits               PRP      Robert Price

          y = 5
          n = 17           24 digits               Prime    
          n = 167         241 digits               Prime    
          n = 317         458 digits               Prime    Robert Price
          n = 2677       3873 digits               PRP      Robert Price
          n = 6689       9679 digits               PRP      Robert Price
          n = 10859     15714 digits               PRP      Robert Price
          n = 28151     40738 digits               PRP      Robert Price

          y = 9
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 11           15 digits               Prime    
          n = 13           18 digits               Prime    

          y = 11
          n = 3             4 digits               Prime    
          n = 7             9 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    

          y = 15
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    

          y = 17
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           18 digits               Prime    

          y = 19
          n = 2             2 digits               Prime    

          y = 25
          n = 2             3 digits               Prime    
          n = 7            10 digits               Prime    


   x = 29

          y = 2
          n = 2             2 digits               Prime    
          n = 7             9 digits               Prime    
          n = 139         202 digits               Prime    
          n = 983        1437 digits               Prime    Robert Price
          n = 3257       4762 digits               PRP      Robert Price
          n = 10181     14888 digits               PRP      Robert Price
          n = 26387     38587 digits               PRP      Robert Price
          n = 36187     52919 digits    Oct 2024   PRP      Robert Price
          n = 42557     62234 digits    Oct 2024   PRP      Robert Price

          y = 3
          n = 3             3 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           24 digits               Prime    
          n = 1069       1562 digits               Prime    Robert Price
          n = 28081     41065 digits               PRP      Robert Price
          n = 66509     97262 digits    Jun 2025   PRP      Robert Price
          n = 91493    133798 digits    Jun 2025   PRP      Robert Price

          y = 4
          n = 7             9 digits               Prime    
          n = 23           33 digits               Prime    
          n = 31           44 digits               Prime    
          n = 463         676 digits               Prime    Robert Price
          n = 3259       4765 digits               PRP      Robert Price

          y = 5
          n = 199         290 digits               Prime    
          n = 643         939 digits               Prime    Robert Price
          n = 16981     24832 digits               PRP      Robert Price
          n = 71761    104942 digits    Mar 2026   PRP      Robert Price

          y = 6
          n = 3             4 digits               Prime    

          y = 7
          n = 3             4 digits               Prime    
          n = 17           24 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    
          n = 13           18 digits               Prime    

          y = 9
          n = 7             9 digits               Prime    

          y = 10
          n = 3             4 digits               Prime    
          n = 7             9 digits               Prime    
          n = 11           15 digits               Prime    
          n = 17           24 digits               Prime    

          y = 11
          n = 5             7 digits               Prime    
          n = 7             9 digits               Prime    
          n = 17           24 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 13           18 digits               Prime    

          y = 13
          n = 7            10 digits               Prime    
          n = 17           24 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 11           15 digits               Prime    
          n = 13           18 digits               Prime    
          n = 19           27 digits               Prime    

          y = 16
          n = 5             7 digits               Prime    

          y = 17
          n = 19           27 digits               Prime    

          y = 18
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    
          n = 13           19 digits               Prime    

          y = 20
          n = 17           24 digits               Prime    

          y = 23
          n = 11           16 digits               Prime    

          y = 24
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 25
          n = 5             7 digits               Prime    

          y = 26
          n = 5             7 digits               Prime    

          y = 27
          n = 13           19 digits               Prime    
          n = 47           69 digits    Apr 2014   Prime    Richard Fischer
          n = 239         350 digits    Apr 2014   Prime    Richard Fischer
          n = 257         376 digits    Apr 2014   Prime    Richard Fischer


   x = 30

          y = 7
          n = 2             2 digits               Prime    

          y = 11
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 13           18 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           18 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    

          y = 23
          n = 2             3 digits               Prime    


   x = 31

          y = 2
          n = 5             6 digits               Prime    
          n = 17           24 digits               Prime    
          n = 541         806 digits    Nov 2024   Prime    Robert Price
          n = 701        1044 digits    Nov 2024   Prime    Robert Price
          n = 769        1146 digits    Nov 2024   Prime    Robert Price

          y = 3
          n = 3             4 digits               Prime    
          n = 23           33 digits               Prime    
          n = 53           78 digits               Prime    
          n = 661         985 digits    Jun 2025   Prime    Robert Price
          n = 8923      13306 digits    Jun 2025   PRP      Robert Price
          n = 9721      14497 digits    Jun 2025   PRP      Robert Price
          n = 13807     20590 digits    Jun 2025   PRP      Robert Price

          y = 4
          n = 7            10 digits               Prime    
          n = 59           87 digits               Prime    
          n = 67           99 digits               Prime    
          n = 101         150 digits               Prime    
          n = 251         373 digits    Oct 2025   Prime    Robert Price
          n = 967        1441 digits    Oct 2025   Prime    Robert Price
          n = 1579       2354 digits    Oct 2025   Prime    Robert Price
          n = 1999       2980 digits    Oct 2025   Prime    Robert Price
          n = 4657       6944 digits    Oct 2025   PRP      Robert Price
          n = 6917      10315 digits    Oct 2025   PRP      Robert Price
          n = 10267     15311 digits    Oct 2025   PRP      Robert Price
          n = 19801     29530 digits    Oct 2025   PRP      Robert Price
          n = 23311     34764 digits    Oct 2025   PRP      Robert Price

          y = 5
          n = 7            10 digits               Prime    
          n = 11           15 digits               Prime    
          n = 79          117 digits               Prime    
          n = 431         642 digits    Apr 2026   Prime    Robert Price
          n = 1423       2121 digits    Apr 2026   Prime    Robert Price
          n = 2917       4349 digits    Apr 2026   PRP      Robert Price
          n = 55639     82977 digits    Apr 2026   PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    

          y = 7
          n = 5             7 digits               Prime    

          y = 8
          n = 7            10 digits               Prime    

          y = 9
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 17           25 digits               Prime    

          y = 10
          n = 2             2 digits               Prime    

          y = 11
          n = 3             4 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           19 digits               Prime    
          n = 29           42 digits               Prime    

          y = 14
          n = 11           16 digits               Prime    
          n = 13           19 digits               Prime    
          n = 23           34 digits               Prime    

          y = 15
          n = 13           19 digits               Prime    
          n = 19           28 digits               Prime    

          y = 16
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           19 digits               Prime    

          y = 17
          n = 3             4 digits               Prime    
          n = 17           25 digits               Prime    
          n = 29           43 digits               Prime    

          y = 18
          n = 5             7 digits               Prime    

          y = 19
          n = 11           16 digits               Prime    

          y = 20
          n = 5             7 digits               Prime    
          n = 17           25 digits               Prime    
          n = 19           28 digits               Prime    

          y = 21
          n = 3             4 digits               Prime    
          n = 19           28 digits               Prime    
          n = 31           46 digits               Prime    

          y = 22
          n = 2             3 digits               Prime    
          n = 11           16 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    
          n = 11           16 digits               Prime    

          y = 24
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 25
          n = 7            10 digits               Prime    

          y = 27
          n = 19           28 digits               Prime    
          n = 23           34 digits               Prime    
          n = 29           43 digits               Prime    

          y = 28
          n = 2             3 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           19 digits               Prime    

          y = 29
          n = 19           29 digits               Prime    
          n = 167         249 digits    Apr 2014   Prime    Richard Fischer
          n = 1303       1943 digits    Apr 2014   Prime    Richard Fischer
          n = 31907     47585 digits    Dec 2021   PRP      Richard Fischer


   x = 32

          y = 3
          n = 3             4 digits               Prime    
          n = 19           28 digits               Prime    
          n = 37           55 digits               Prime    
          n = 233         350 digits    Jun 2025   Prime    Robert Price
          n = 283         425 digits    Jun 2025   Prime    Robert Price
          n = 311         467 digits    Jun 2025   Prime    Robert Price
          n = 1307       1966 digits    Jun 2025   Prime    Robert Price
          n = 1913       2878 digits    Jun 2025   Prime    Robert Price

          y = 5
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 23           34 digits               Prime    
          n = 79          118 digits               Prime    
          n = 977        1470 digits    Apr 2026   Prime    Robert Price
          n = 1489       2240 digits    Apr 2026   Prime    Robert Price
          n = 1621       2439 digits    Apr 2026   Prime    Robert Price
          n = 10007     15061 digits    Apr 2026   PRP      Robert Price
          n = 11677     17575 digits    Apr 2026   PRP      Robert Price
          n = 32797     49363 digits    Apr 2026   PRP      Robert Price
          n = 39901     60056 digits    Apr 2026   PRP      Robert Price
          n = 43051     64797 digits    Apr 2026   PRP      Robert Price
          n = 60383     90885 digits    Apr 2026   PRP      Robert Price
          n = 86981    130919 digits    Apr 2026   PRP      Robert Price

          y = 7
          n = 3             4 digits               Prime    

          y = 9
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 31           46 digits               Prime    

          y = 11
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    

          y = 15
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    
          n = 19           28 digits               Prime    
          n = 29           43 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    
          n = 11           16 digits               Prime    

          y = 21
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 13           19 digits               Prime    
          n = 17           25 digits               Prime    

          y = 23
          n = 17           25 digits               Prime    
          n = 23           34 digits               Prime    

          y = 25
          n = 5             7 digits               Prime    
          n = 47           70 digits    Sep 2019   Prime    Richard Fischer
          n = 53           79 digits    Sep 2019   Prime    Richard Fischer
          n = 107         161 digits    Sep 2019   Prime    Richard Fischer
          n = 281         423 digits    Sep 2019   Prime    Richard Fischer
          n = 439         660 digits    Sep 2019   Prime    Richard Fischer
          n = 13033     19616 digits    Sep 2019   PRP      Richard Fischer
          n = 21001     31609 digits    Jan 2020   PRP      Richard Fischer

          y = 27
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 13           19 digits               Prime    
          n = 71          107 digits    Sep 2019   Prime    Richard Fischer
          n = 109         164 digits    Sep 2019   Prime    Richard Fischer
          n = 317         477 digits    Sep 2019   Prime    Richard Fischer
          n = 409         615 digits    Sep 2019   Prime    Richard Fischer
          n = 971        1461 digits    Sep 2019   Prime    Richard Fischer

          y = 29
          n = 2             3 digits               Prime    


   x = 33

          y = 2
          n = 71          107 digits               Prime    
          n = 103         155 digits               Prime    
          n = 1213       1841 digits    Nov 2024   Prime    Robert Price
          n = 2441       3706 digits    Nov 2024   PRP      Robert Price
          n = 2789       4234 digits    Nov 2024   PRP      Robert Price
          n = 4159       6315 digits    Nov 2024   PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           19 digits               Prime    
          n = 31           46 digits               Prime    
          n = 211         319 digits    Oct 2025   Prime    Robert Price

          y = 5
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 257         389 digits    Apr 2026   Prime    Robert Price
          n = 911        1382 digits    Apr 2026   Prime    Robert Price
          n = 8233      12501 digits    Apr 2026   PRP      Robert Price
          n = 48907     74265 digits    Apr 2026   PRP      Robert Price
          n = 64271     97595 digits    Apr 2026   PRP      Robert Price

          y = 7
          n = 7            10 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 11           16 digits               Prime    

          y = 10
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 16
          n = 3             4 digits               Prime    

          y = 17
          n = 19           28 digits               Prime    

          y = 19
          n = 5             7 digits               Prime    

          y = 20
          n = 2             2 digits               Prime    
          n = 17           25 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    

          y = 25
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    

          y = 26
          n = 2             3 digits               Prime    
          n = 5             7 digits               Prime    
          n = 13           19 digits               Prime    

          y = 28
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 29
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 31
          n = 5             8 digits               Prime    
          n = 199         302 digits    Apr 2014   Prime    Richard Fischer
          n = 251         381 digits    Apr 2014   Prime    Richard Fischer
          n = 281         427 digits    Apr 2014   Prime    Richard Fischer


   x = 34

          y = 3
          n = 2             2 digits               Prime    
          n = 337         515 digits    Jul 2025   Prime    Robert Price
          n = 421         644 digits    Jul 2025   Prime    Robert Price
          n = 79493    121741 digits    Jul 2025   PRP      Robert Price

          y = 5
          n = 19           28 digits               Prime    
          n = 163         249 digits               Prime    
          n = 167         255 digits               Prime    
          n = 1427       2184 digits    Apr 2026   Prime    Robert Price
          n = 2083       3189 digits    Apr 2026   Prime    Robert Price

          y = 7
          n = 2             2 digits               Prime    
          n = 13           19 digits               Prime    

          y = 9
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    

          y = 19
          n = 2             2 digits               Prime    
          n = 13           19 digits               Prime    
          n = 17           25 digits               Prime    

          y = 21
          n = 3             4 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    

          y = 25
          n = 2             3 digits               Prime    
          n = 11           16 digits               Prime    
          n = 29           44 digits               Prime    

          y = 27
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 31
          n = 19           29 digits               Prime    


   x = 35

          y = 2
          n = 2             2 digits               Prime    
          n = 17           25 digits               Prime    
          n = 53           81 digits               Prime    
          n = 211         325 digits    Nov 2024   Prime    Robert Price
          n = 4013       6195 digits    Nov 2024   PRP      Robert Price
          n = 55207     85242 digits    Nov 2024   PRP      Robert Price

          y = 3
          n = 5             7 digits               Prime    
          n = 31           47 digits               Prime    
          n = 67          102 digits               Prime    
          n = 73          112 digits               Prime    
          n = 991        1529 digits    Aug 2025   Prime    Robert Price
          n = 2053       3169 digits    Aug 2025   Prime    Robert Price
          n = 7507      11590 digits    Aug 2025   PRP      Robert Price
          n = 34603     53428 digits    Aug 2025   PRP      Robert Price

          y = 4
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 47           72 digits               Prime    
          n = 101         155 digits               Prime    
          n = 103         158 digits               Prime    
          n = 107         164 digits               Prime    
          n = 167         257 digits               Prime    
          n = 9743      15043 digits    Oct 2025   PRP      Robert Price
          n = 10627     16408 digits    Oct 2025   PRP      Robert Price
          n = 11423     17637 digits    Oct 2025   PRP      Robert Price
          n = 29027     44819 digits    Oct 2025   PRP      Robert Price
          n = 42461     65562 digits    Oct 2025   PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    
          n = 13           19 digits               Prime    
          n = 29           44 digits               Prime    

          y = 9
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 13
          n = 5             7 digits               Prime    
          n = 17           25 digits               Prime    
          n = 19           28 digits               Prime    

          y = 17
          n = 11           16 digits               Prime    

          y = 18
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 13           19 digits               Prime    
          n = 29           44 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    

          y = 23
          n = 13           19 digits               Prime    

          y = 24
          n = 2             3 digits               Prime    
          n = 7            10 digits               Prime    
          n = 31           47 digits               Prime    

          y = 26
          n = 2             3 digits               Prime    
          n = 19           29 digits               Prime    

          y = 27
          n = 19           29 digits               Prime    

          y = 29
          n = 7            11 digits               Prime    
          n = 31           48 digits               Prime    

          y = 31
          n = 3             5 digits               Prime    
          n = 7            11 digits               Prime    

          y = 32
          n = 2             3 digits               Prime    
          n = 19           29 digits               Prime    
          n = 23           36 digits               Prime    

          y = 33
          n = 3             5 digits               Prime    
          n = 13           20 digits               Prime    
          n = 101         156 digits    Apr 2014   Prime    Richard Fischer


   x = 36

          y = 5
          n = 2             2 digits               Prime    
          n = 11           16 digits               Prime    
          n = 107         166 digits               Prime    
          n = 113         175 digits               Prime    
          n = 409         636 digits    May 2026   Prime    Robert Price
          n = 5209       8106 digits    May 2026   PRP      Robert Price
          n = 42181     65645 digits    May 2026   PRP      Robert Price
          n = 53693     83562 digits    May 2026   PRP      Robert Price

          y = 7
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    

          y = 11
          n = 2             2 digits               Prime    
          n = 11           16 digits               Prime    
          n = 17           26 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 17           26 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 13           19 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    

          y = 23
          n = 2             2 digits               Prime    
          n = 11           17 digits               Prime    
          n = 29           45 digits               Prime    

          y = 25
          n = 2             3 digits               Prime    

          y = 29
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 17           26 digits               Prime    
          n = 19           29 digits               Prime    

          y = 31
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    


   x = 37

          y = 2
          n = 3             4 digits               Prime    
          n = 11           16 digits               Prime    
          n = 43           66 digits               Prime    
          n = 19963     31305 digits    Nov 2024   PRP      Robert Price

          y = 3
          n = 3             4 digits               Prime    
          n = 137         214 digits               Prime    
          n = 197         308 digits    Jul 2025   Prime    Robert Price
          n = 2113       3313 digits    Jul 2025   PRP      Robert Price
          n = 4729       7415 digits    Jul 2025   PRP      Robert Price
          n = 11497     18029 digits    Jul 2025   PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 5927       9294 digits    Jun 2026   PRP      Norman Luhn

          y = 5
          n = 3             4 digits               Prime    
          n = 107         167 digits               Prime    
          n = 1399       2193 digits    May 2026   Prime    Robert Price
          n = 4253       6669 digits    May 2026   PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    
          n = 17           26 digits               Prime    

          y = 7
          n = 7            10 digits               Prime    

          y = 8
          n = 7            10 digits               Prime    

          y = 9
          n = 3             4 digits               Prime    
          n = 11           16 digits               Prime    

          y = 10
          n = 2             2 digits               Prime    

          y = 11
          n = 7            10 digits               Prime    

          y = 12
          n = 11           16 digits               Prime    
          n = 13           19 digits               Prime    

          y = 13
          n = 37           57 digits               Prime    

          y = 14
          n = 3             4 digits               Prime    

          y = 15
          n = 5             7 digits               Prime    

          y = 16
          n = 2             2 digits               Prime    
          n = 13           20 digits               Prime    
          n = 17           26 digits               Prime    
          n = 19           29 digits               Prime    

          y = 17
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 19           29 digits               Prime    
          n = 31           48 digits               Prime    

          y = 18
          n = 17           26 digits               Prime    

          y = 19
          n = 13           20 digits               Prime    

          y = 21
          n = 5             7 digits               Prime    

          y = 22
          n = 2             2 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    
          n = 31           48 digits               Prime    

          y = 24
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 26
          n = 5             7 digits               Prime    

          y = 29
          n = 7            11 digits               Prime    
          n = 17           26 digits               Prime    

          y = 30
          n = 2             3 digits               Prime    
          n = 31           48 digits               Prime    

          y = 31
          n = 7            11 digits               Prime    
          n = 11           17 digits               Prime    

          y = 32
          n = 11           17 digits               Prime    

          y = 33
          n = 17           27 digits               Prime    
          n = 19           30 digits               Prime    

          y = 34
          n = 2             3 digits               Prime    
          n = 13217     20727 digits    Oct 2015   PRP      Eric Chen
          n = 14563     22838 digits    Sep 2016   PRP      Eric Chen

          y = 35
          n = 3             5 digits               Prime    
          n = 1543       2420 digits    Apr 2014   Prime    Richard Fischer
          n = 1721       2699 digits    Apr 2014   Prime    Richard Fischer


   x = 38

          y = 3
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 19           29 digits               Prime    
          n = 101         159 digits               Prime    
          n = 229         361 digits    Jul 2025   Prime    Robert Price
          n = 1031       1628 digits    Jul 2025   Prime    Robert Price
          n = 2393       3779 digits    Jul 2025   Prime    Robert Price
          n = 3121       4929 digits    Jul 2025   Prime    Robert Price
          n = 4021       6351 digits    Jul 2025   PRP      Robert Price

          y = 5
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 19           29 digits               Prime    
          n = 8831      13950 digits    Apr 2026   PRP      Robert Price
          n = 41647     65792 digits    Apr 2026   PRP      Robert Price

          y = 7
          n = 3             4 digits               Prime    

          y = 9
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 13
          n = 31           48 digits               Prime    

          y = 15
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 11           17 digits               Prime    
          n = 13           20 digits               Prime    

          y = 17
          n = 5             7 digits               Prime    

          y = 21
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 23
          n = 2             2 digits               Prime    

          y = 25
          n = 3             4 digits               Prime    
          n = 19           29 digits               Prime    

          y = 29
          n = 2             3 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    
          n = 19           30 digits               Prime    

          y = 31
          n = 3             4 digits               Prime    

          y = 33
          n = 2             3 digits               Prime    

          y = 35
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    


   x = 39

          y = 2
          n = 2             2 digits               Prime    
          n = 229         363 digits               Prime    
          n = 631        1003 digits               Prime    

          y = 4
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 29           45 digits               Prime    
          n = 67          106 digits               Prime    
          n = 73          115 digits               Prime    
          n = 7393      11762 digits    Jan 2026   PRP      Robert Price
          n = 14347     22826 digits    Jan 2026   PRP      Robert Price
          n = 14543     23138 digits    Jan 2026   PRP      Robert Price
          n = 23251     36993 digits    Jan 2026   PRP      Robert Price

          y = 5
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 73          115 digits               Prime    
          n = 97          153 digits               Prime    
          n = 419         666 digits    May 2026   Prime    Robert Price
          n = 2857       4545 digits    May 2026   PRP      Robert Price
          n = 25307     40264 digits    May 2026   PRP      Robert Price

          y = 7
          n = 7            10 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    

          y = 10
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 31           48 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    

          y = 17
          n = 3             4 digits               Prime    

          y = 19
          n = 7            10 digits               Prime    

          y = 20
          n = 2             2 digits               Prime    
          n = 11           17 digits               Prime    

          y = 22
          n = 2             2 digits               Prime    
          n = 31           49 digits               Prime    

          y = 23
          n = 5             7 digits               Prime    
          n = 17           26 digits               Prime    

          y = 25
          n = 3             4 digits               Prime    

          y = 28
          n = 2             3 digits               Prime    
          n = 5             7 digits               Prime    

          y = 29
          n = 17           27 digits               Prime    

          y = 31
          n = 3             4 digits               Prime    

          y = 32
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 23           36 digits               Prime    

          y = 34
          n = 2             3 digits               Prime    
          n = 3             5 digits               Prime    
          n = 23           36 digits               Prime    
          n = 31           49 digits               Prime    

          y = 35
          n = 3             5 digits               Prime    
          n = 17           27 digits               Prime    

          y = 37
          n = 1879       2990 digits    Apr 2014   Prime    Richard Fischer
          n = 2017       3209 digits    Apr 2014   Prime    Richard Fischer
          n = 3097       4928 digits    Apr 2014   PRP      Richard Fischer
          n = 4909       7811 digits    Apr 2014   PRP      Richard Fischer
          n = 9349      14875 digits    Dec 2013   PRP      Richard Fischer


   x = 40

          y = 3
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 1549       2481 digits    Aug 2025   Prime    Robert Price
          n = 4391       7034 digits    Aug 2025   PRP      Robert Price

          y = 7
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 29           45 digits               Prime    

          y = 9
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    
          n = 23           36 digits               Prime    

          y = 11
          n = 3             4 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    

          y = 19
          n = 2             2 digits               Prime    

          y = 21
          n = 2             2 digits               Prime    
          n = 13           20 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    

          y = 27
          n = 2             3 digits               Prime    

          y = 29
          n = 5             7 digits               Prime    
          n = 37           59 digits               Prime    

          y = 31
          n = 2             3 digits               Prime    

          y = 33
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    
          n = 13           20 digits               Prime    
          n = 10007     16031 digits    Nov 2006   PRP      Lelio R Paula

          y = 37
          n = 31           50 digits               Prime    


   x = 41

          y = 2
          n = 2             2 digits               Prime    
          n = 41           65 digits               Prime    
          n = 97          155 digits               Prime    
          n = 131         210 digits               Prime    
          n = 2411       3887 digits    Nov 2024   PRP      Robert Price
          n = 7321      11806 digits    Nov 2024   PRP      Robert Price

          y = 3
          n = 401         646 digits    Sep 2025   Prime    Robert Price
          n = 443         713 digits    Sep 2025   Prime    Robert Price
          n = 3191       5145 digits    Sep 2025   PRP      Robert Price
          n = 32297     52087 digits    Sep 2025   PRP      Robert Price
          n = 38431     61980 digits    Sep 2025   PRP      Robert Price
          n = 81041    130701 digits    Sep 2025   PRP      Robert Price
          n = 85909    138552 digits    Sep 2025   PRP      Robert Price

          y = 4
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 449         723 digits               Prime    

          y = 5
          n = 79          126 digits               Prime    
          n = 353         568 digits    May 2026   Prime    Robert Price
          n = 1213       1955 digits    May 2026   Prime    Robert Price
          n = 1583       2552 digits    May 2026   Prime    Robert Price
          n = 1933       3116 digits    May 2026   Prime    Robert Price
          n = 2221       3581 digits    May 2026   PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    
          n = 19           30 digits               Prime    

          y = 7
          n = 3             4 digits               Prime    

          y = 8
          n = 5             7 digits               Prime    

          y = 9
          n = 3             4 digits               Prime    
          n = 17           26 digits               Prime    
          n = 19           30 digits               Prime    
          n = 23           36 digits               Prime    

          y = 10
          n = 13           20 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 31           49 digits               Prime    

          y = 14
          n = 31           49 digits               Prime    

          y = 15
          n = 3             4 digits               Prime    
          n = 11           17 digits               Prime    
          n = 19           30 digits               Prime    
          n = 41           65 digits               Prime    

          y = 16
          n = 3             4 digits               Prime    
          n = 13           20 digits               Prime    

          y = 17
          n = 7            10 digits               Prime    
          n = 11           17 digits               Prime    

          y = 18
          n = 2             2 digits               Prime    

          y = 19
          n = 5             7 digits               Prime    
          n = 7            10 digits               Prime    

          y = 20
          n = 2             2 digits               Prime    
          n = 19           30 digits               Prime    
          n = 41           65 digits               Prime    

          y = 22
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    

          y = 23
          n = 5             7 digits               Prime    
          n = 13           20 digits               Prime    
          n = 17           27 digits               Prime    

          y = 24
          n = 13           20 digits               Prime    
          n = 19           30 digits               Prime    

          y = 25
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 19           30 digits               Prime    

          y = 26
          n = 2             3 digits               Prime    
          n = 19           30 digits               Prime    

          y = 27
          n = 3             4 digits               Prime    
          n = 23           36 digits               Prime    

          y = 28
          n = 3             4 digits               Prime    

          y = 29
          n = 7            11 digits               Prime    

          y = 30
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    
          n = 29           46 digits               Prime    

          y = 31
          n = 7            11 digits               Prime    

          y = 32
          n = 2             3 digits               Prime    
          n = 19           30 digits               Prime    

          y = 33
          n = 7            11 digits               Prime    

          y = 34
          n = 3             4 digits               Prime    
          n = 23           37 digits               Prime    

          y = 35
          n = 17           27 digits               Prime    
          n = 41           66 digits               Prime    

          y = 36
          n = 23           37 digits               Prime    

          y = 37
          n = 3             5 digits               Prime    

          y = 38
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    
          n = 17           27 digits               Prime    
          n = 29           47 digits               Prime    

          y = 39
          n = 3             5 digits               Prime    
          n = 17           28 digits               Prime    
          n = 347         560 digits    Apr 2014   Prime    Richard Fischer
          n = 1427       2302 digits    Apr 2014   Prime    Richard Fischer
          n = 1759       2837 digits    Apr 2014   Prime    Richard Fischer
          n = 8039      12965 digits    Dec 2013   PRP      Richard Fischer
          n = 9689      15626 digits    Apr 2014   PRP      Richard Fischer
          n = 23087     37235 digits    Nov 2019   PRP      Richard Fischer


   x = 42

          y = 5
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 3617       5870 digits    Jun 2026   PRP      Robert Price
          n = 75217    122095 digits    Jun 2026   PRP      Robert Price

          y = 11
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           20 digits               Prime    

          y = 13
          n = 19           30 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 19
          n = 2             2 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    
          n = 23           37 digits               Prime    
          n = 41           66 digits               Prime    

          y = 25
          n = 2             3 digits               Prime    
          n = 7            11 digits               Prime    

          y = 29
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    
          n = 11           17 digits               Prime    

          y = 31
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 37
          n = 2             3 digits               Prime    
          n = 19           31 digits               Prime    


   x = 43

          y = 2
          n = 167         272 digits               Prime    
          n = 797        1301 digits    Oct 2024   Prime    Robert Price
          n = 1009       1647 digits    Oct 2024   Prime    Robert Price
          n = 54941     89743 digits    Oct 2024   PRP      Robert Price

          y = 3
          n = 3             4 digits               Prime    
          n = 19           30 digits               Prime    
          n = 271         442 digits    Sep 2025   Prime    Robert Price
          n = 12421     20288 digits    Sep 2025   PRP      Robert Price

          y = 4
          n = 2             2 digits               Prime    
          n = 17           27 digits               Prime    
          n = 23           36 digits               Prime    
          n = 967        1578 digits    Nov 2025   Prime    Robert Price
          n = 7687      12555 digits    Nov 2025   PRP      Robert Price
          n = 8297      13552 digits    Nov 2025   PRP      Robert Price
          n = 8521      13918 digits    Nov 2025   PRP      Robert Price

          y = 5
          n = 3             4 digits               Prime    
          n = 37           59 digits               Prime    
          n = 67          108 digits               Prime    

          y = 6
          n = 3             4 digits               Prime    
          n = 19           30 digits               Prime    

          y = 8
          n = 17           27 digits               Prime    

          y = 9
          n = 37           59 digits               Prime    

          y = 10
          n = 2             2 digits               Prime    
          n = 19           30 digits               Prime    

          y = 12
          n = 11           17 digits               Prime    

          y = 13
          n = 11           17 digits               Prime    
          n = 13           20 digits               Prime    
          n = 31           50 digits               Prime    

          y = 14
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 31           50 digits               Prime    

          y = 15
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 19           30 digits               Prime    
          n = 29           46 digits               Prime    

          y = 16
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 11           17 digits               Prime    

          y = 18
          n = 2             2 digits               Prime    

          y = 19
          n = 19           30 digits               Prime    

          y = 20
          n = 3             4 digits               Prime    
          n = 13           20 digits               Prime    

          y = 22
          n = 5             7 digits               Prime    
          n = 29           47 digits               Prime    
          n = 31           50 digits               Prime    

          y = 23
          n = 41           66 digits               Prime    

          y = 24
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 43           69 digits               Prime    

          y = 25
          n = 5             7 digits               Prime    

          y = 26
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    
          n = 11           17 digits               Prime    
          n = 41           66 digits               Prime    

          y = 27
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 28
          n = 2             3 digits               Prime    
          n = 7            11 digits               Prime    
          n = 17           27 digits               Prime    
          n = 43           70 digits               Prime    

          y = 30
          n = 2             3 digits               Prime    

          y = 31
          n = 11           17 digits               Prime    
          n = 43           70 digits               Prime    

          y = 33
          n = 3             4 digits               Prime    
          n = 41           66 digits               Prime    

          y = 35
          n = 29           47 digits               Prime    

          y = 36
          n = 2             3 digits               Prime    
          n = 19           31 digits               Prime    

          y = 37
          n = 37           60 digits               Prime    
          n = 43           70 digits               Prime    

          y = 38
          n = 17           28 digits               Prime    

          y = 40
          n = 2             3 digits               Prime    

          y = 41
          n = 13           21 digits               Prime    
          n = 19           31 digits               Prime    
          n = 109         178 digits    Apr 2014   Prime    Richard Fischer
          n = 461         753 digits    Apr 2014   Prime    Richard Fischer
          n = 11587     18927 digits    Feb 2012   PRP      Lelio R Paula
          n = 13037     21296 digits    Mar 2014   PRP      Richard Fischer
          n = 27103     44272 digits    Jun 2020   PRP      Richard Fischer


   x = 44

          y = 3
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 29           47 digits               Prime    
          n = 883        1450 digits    Sep 2025   Prime    Robert Price
          n = 12647     20784 digits    Sep 2025   PRP      Robert Price
          n = 15647     25714 digits    Sep 2025   PRP      Robert Price
          n = 22303     36653 digits    Sep 2025   PRP      Robert Price

          y = 5
          n = 547         898 digits               Prime    
          n = 86413    142015 digits    Jun 2026   PRP      Robert Price

          y = 7
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 13           20 digits               Prime    
          n = 23           37 digits               Prime    
          n = 31           50 digits               Prime    

          y = 9
          n = 2             2 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    
          n = 17           27 digits               Prime    

          y = 15
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 19           30 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 13           20 digits               Prime    

          y = 19
          n = 13           20 digits               Prime    
          n = 29           47 digits               Prime    

          y = 21
          n = 3             4 digits               Prime    
          n = 29           47 digits               Prime    

          y = 23
          n = 2             2 digits               Prime    

          y = 25
          n = 7            11 digits               Prime    

          y = 27
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 29
          n = 2             3 digits               Prime    
          n = 13           21 digits               Prime    

          y = 31
          n = 3             4 digits               Prime    
          n = 19           31 digits               Prime    

          y = 35
          n = 2             3 digits               Prime    

          y = 37
          n = 3             5 digits               Prime    
          n = 13           21 digits               Prime    
          n = 43           70 digits               Prime    

          y = 39
          n = 2             3 digits               Prime    
          n = 13           21 digits               Prime    

          y = 41
          n = 5             8 digits               Prime    
          n = 13           21 digits               Prime    


   x = 45

          y = 2
          n = 2             2 digits               Prime    
          n = 7            10 digits               Prime    
          n = 89          146 digits               Prime    
          n = 167         275 digits               Prime    
          n = 8101      13392 digits    Nov 2024   PRP      Robert Price
          n = 96517    159562 digits    Nov 2024   PRP      Robert Price

          y = 4
          n = 3             4 digits               Prime    
          n = 7            10 digits               Prime    
          n = 47           77 digits               Prime    
          n = 401         662 digits    Nov 2025   Prime    Robert Price
          n = 1237       2044 digits    Nov 2025   Prime    Robert Price
          n = 5659       9354 digits    Nov 2025   PRP      Robert Price

          y = 7
          n = 3             4 digits               Prime    
          n = 17           27 digits               Prime    
          n = 23           37 digits               Prime    

          y = 8
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 11
          n = 41           67 digits               Prime    

          y = 13
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 23           37 digits               Prime    

          y = 16
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    

          y = 17
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 13           21 digits               Prime    
          n = 19           30 digits               Prime    
          n = 31           50 digits               Prime    

          y = 22
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 11           17 digits               Prime    

          y = 26
          n = 2             3 digits               Prime    
          n = 11           17 digits               Prime    
          n = 17           27 digits               Prime    

          y = 28
          n = 2             3 digits               Prime    

          y = 29
          n = 5             8 digits               Prime    
          n = 11           17 digits               Prime    
          n = 43           70 digits               Prime    

          y = 32
          n = 17           27 digits               Prime    
          n = 37           61 digits               Prime    

          y = 34
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    
          n = 37           61 digits               Prime    

          y = 37
          n = 3             5 digits               Prime    
          n = 13           21 digits               Prime    
          n = 43           71 digits               Prime    

          y = 38
          n = 2             3 digits               Prime    
          n = 3             5 digits               Prime    

          y = 41
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    
          n = 11           18 digits               Prime    
          n = 19           31 digits               Prime    

          y = 43
          n = 379         627 digits    Apr 2014   Prime    Richard Fischer
          n = 1297       2144 digits    Apr 2014   Prime    Richard Fischer
          n = 1381       2283 digits    Apr 2014   Prime    Richard Fischer
          n = 3167       5236 digits    Apr 2014   Prime    Richard Fischer
          n = 6163      10189 digits    Dec 2013   PRP      Richard Fischer
          n = 13829     22862 digits    Mar 2014   PRP      Richard Fischer
          n = 30071     49714 digits    Jun 2021   PRP      Richard Fischer


   x = 46

          y = 3
          n = 5             7 digits               Prime    
          n = 17           27 digits               Prime    
          n = 53           87 digits               Prime    
          n = 2113       3512 digits    Sep 2025   Prime    Robert Price
          n = 17981     29897 digits    Sep 2025   PRP      Robert Price
          n = 55997     93108 digits    Sep 2025   PRP      Robert Price

          y = 5
          n = 3             4 digits               Prime    

          y = 7
          n = 2             2 digits               Prime    
          n = 37           60 digits               Prime    
          n = 41           67 digits               Prime    

          y = 9
          n = 7            11 digits               Prime    
          n = 17           27 digits               Prime    
          n = 43           70 digits               Prime    

          y = 11
          n = 13           21 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 37           61 digits               Prime    

          y = 15
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 17           27 digits               Prime    

          y = 17
          n = 3             4 digits               Prime    

          y = 21
          n = 2             2 digits               Prime    
          n = 43           71 digits               Prime    

          y = 25
          n = 2             3 digits               Prime    
          n = 5             7 digits               Prime    

          y = 27
          n = 2             3 digits               Prime    
          n = 7            11 digits               Prime    
          n = 11           18 digits               Prime    
          n = 17           27 digits               Prime    

          y = 31
          n = 147197   244752 digits    Jun 2024   PRP      Aurel Gibier

          y = 33
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 35
          n = 3             4 digits               Prime    
          n = 5             8 digits               Prime    
          n = 19           31 digits               Prime    
          n = 31           51 digits               Prime    

          y = 37
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    

          y = 39
          n = 3             5 digits               Prime    

          y = 41
          n = 3             5 digits               Prime    
          n = 7            11 digits               Prime    
          n = 13           21 digits               Prime    

          y = 43
          n = 2             3 digits               Prime    


   x = 47

          y = 2
          n = 17           27 digits               Prime    
          n = 103         171 digits               Prime    
          n = 773        1291 digits    Jan 2025   Prime    Robert Price
          n = 2467       4124 digits    Jan 2025   PRP      Robert Price
          n = 41969     70175 digits    Jan 2025   PRP      Robert Price

          y = 3
          n = 5             7 digits               Prime    
          n = 373         623 digits               Prime    
          n = 3617       6047 digits    Jun 2026   PRP      Norman Luhn

          y = 4
          n = 7            11 digits               Prime    
          n = 12703     21240 digits    Dec 2025   PRP      Robert Price
          n = 15679     26216 digits    Dec 2025   PRP      Robert Price
          n = 49711     83121 digits    Dec 2025   PRP      Robert Price
          n = 90749    151740 digits    Dec 2025   PRP      Robert Price

          y = 5
          n = 29           47 digits               Prime    
          n = 1019       1703 digits    May 2026   Prime    Robert Price
          n = 83641    139855 digits    May 2026   PRP      Robert Price
          n = 95621    159887 digits    May 2026   PRP      Robert Price

          y = 6
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 7
          n = 11           17 digits               Prime    
          n = 29           47 digits               Prime    
          n = 41           67 digits               Prime    

          y = 9
          n = 3             4 digits               Prime    

          y = 11
          n = 11           17 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 47           78 digits               Prime    

          y = 13
          n = 5             7 digits               Prime    
          n = 19           31 digits               Prime    
          n = 37           61 digits               Prime    

          y = 14
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 37           61 digits               Prime    

          y = 16
          n = 3             4 digits               Prime    

          y = 17
          n = 19           31 digits               Prime    
          n = 29           48 digits               Prime    

          y = 18
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    

          y = 19
          n = 3             4 digits               Prime    
          n = 11           17 digits               Prime    
          n = 19           31 digits               Prime    

          y = 20
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 19           31 digits               Prime    

          y = 21
          n = 3             4 digits               Prime    

          y = 22
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    
          n = 13           21 digits               Prime    
          n = 31           51 digits               Prime    

          y = 24
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    
          n = 17           28 digits               Prime    

          y = 25
          n = 19           31 digits               Prime    
          n = 31           51 digits               Prime    
          n = 43           71 digits               Prime    

          y = 26
          n = 2             3 digits               Prime    

          y = 27
          n = 31           51 digits               Prime    

          y = 28
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    
          n = 41           68 digits               Prime    
          n = 43           71 digits               Prime    

          y = 29
          n = 7            11 digits               Prime    
          n = 31           51 digits               Prime    
          n = 47           78 digits               Prime    

          y = 30
          n = 3             4 digits               Prime    
          n = 5             8 digits               Prime    
          n = 7            11 digits               Prime    

          y = 31
          n = 7            11 digits               Prime    
          n = 13           21 digits               Prime    
          n = 31           51 digits               Prime    

          y = 32
          n = 2             3 digits               Prime    
          n = 7            11 digits               Prime    
          n = 37           61 digits               Prime    
          n = 47           78 digits               Prime    

          y = 33
          n = 32833     54899 digits    Dec 2016   PRP      Serge Batalov

          y = 34
          n = 19           31 digits               Prime    

          y = 36
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    
          n = 47           78 digits               Prime    

          y = 38
          n = 13           21 digits               Prime    
          n = 41           68 digits               Prime    

          y = 39
          n = 3             5 digits               Prime    
          n = 19           31 digits               Prime    

          y = 40
          n = 3             5 digits               Prime    
          n = 41           68 digits               Prime    

          y = 41
          n = 5             8 digits               Prime    
          n = 13           21 digits               Prime    
          n = 37           62 digits               Prime    

          y = 42
          n = 2             3 digits               Prime    
          n = 7            12 digits               Prime    
          n = 11           18 digits               Prime    
          n = 19           32 digits               Prime    

          y = 43
          n = 3             5 digits               Prime    
          n = 5             8 digits               Prime    

          y = 44
          n = 5             8 digits               Prime    
          n = 23           38 digits               Prime    
          n = 41           69 digits               Prime    

          y = 45
          n = 7            12 digits               Prime    
          n = 13           22 digits               Prime    
          n = 31           52 digits               Prime    
          n = 157         263 digits    Apr 2014   Prime    Richard Fischer
          n = 283         473 digits    Apr 2014   Prime    Richard Fischer
          n = 1181       1975 digits    Apr 2014   Prime    Richard Fischer
          n = 1297       2169 digits    Apr 2014   Prime    Richard Fischer
          n = 3847       6433 digits    Apr 2014   PRP      Richard Fischer


   x = 48

          y = 5
          n = 2             2 digits               Prime    
          n = 109         182 digits               Prime    
          n = 353         592 digits    May 2026   Prime    Robert Price
          n = 1447       2432 digits    May 2026   Prime    Robert Price

          y = 7
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 11
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    

          y = 13
          n = 2             2 digits               Prime    
          n = 43           71 digits               Prime    

          y = 17
          n = 5             7 digits               Prime    
          n = 13           21 digits               Prime    

          y = 19
          n = 2             2 digits               Prime    
          n = 19           31 digits               Prime    

          y = 23
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 13           21 digits               Prime    

          y = 25
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 31
          n = 2             3 digits               Prime    

          y = 35
          n = 2             3 digits               Prime    
          n = 3             4 digits               Prime    

          y = 37
          n = 3             5 digits               Prime    

          y = 41
          n = 2             3 digits               Prime    
          n = 3             5 digits               Prime    

          y = 43
          n = 3             5 digits               Prime    
          n = 11           18 digits               Prime    
          n = 31           52 digits               Prime    


   x = 49

          y = 2
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 29           48 digits               Prime    
          n = 89          149 digits               Prime    
          n = 35279     59627 digits    Feb 2025   PRP      Robert Price

          y = 3
          n = 3             4 digits               Prime    
          n = 19           31 digits               Prime    

          y = 4
          n = 2             2 digits               Prime    

          y = 5
          n = 3             4 digits               Prime    
          n = 13           21 digits               Prime    
          n = 61          102 digits               Prime    
          n = 71          119 digits               Prime    
          n = 197         332 digits    May 2026   Prime    Robert Price
          n = 199         335 digits    May 2026   Prime    Robert Price
          n = 233         393 digits    May 2026   Prime    Robert Price
          n = 313         528 digits    May 2026   Prime    Robert Price
          n = 2153       3638 digits    May 2026   PRP      Robert Price
          n = 20731     35038 digits    May 2026   PRP      Robert Price

          y = 6
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    

          y = 8
          n = 3             4 digits               Prime    
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    
          n = 197         332 digits    Sep 2019   Prime    Richard Fischer
          n = 223         376 digits    Sep 2019   Prime    Richard Fischer
          n = 233         393 digits    Sep 2019   Prime    Richard Fischer

          y = 10
          n = 2             2 digits               Prime    
          n = 17           28 digits               Prime    

          y = 11
          n = 3             4 digits               Prime    

          y = 12
          n = 2             2 digits               Prime    
          n = 17           28 digits               Prime    

          y = 13
          n = 5             7 digits               Prime    
          n = 37           61 digits               Prime    

          y = 15
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    
          n = 11           18 digits               Prime    
          n = 23           38 digits               Prime    

          y = 17
          n = 5             7 digits               Prime    
          n = 7            11 digits               Prime    

          y = 18
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    

          y = 19
          n = 7            11 digits               Prime    

          y = 20
          n = 11           18 digits               Prime    
          n = 37           62 digits               Prime    

          y = 22
          n = 2             2 digits               Prime    

          y = 23
          n = 3             4 digits               Prime    
          n = 19           31 digits               Prime    
          n = 29           48 digits               Prime    

          y = 24
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 41           68 digits               Prime    

          y = 26
          n = 37           62 digits               Prime    

          y = 27
          n = 409         690 digits    Sep 2019   Prime    Richard Fischer

          y = 29
          n = 3             4 digits               Prime    
          n = 31           52 digits               Prime    

          y = 30
          n = 2             3 digits               Prime    
          n = 5             8 digits               Prime    
          n = 11           18 digits               Prime    

          y = 31
          n = 13           21 digits               Prime    
          n = 31           52 digits               Prime    

          y = 32
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    
          n = 1021       1725 digits    Sep 2019   Prime    Richard Fischer
          n = 3221       5443 digits    Sep 2019   PRP      Richard Fischer
          n = 4241       7167 digits    Sep 2019   PRP      Richard Fischer
          n = 18397     31094 digits    Sep 2019   PRP      Richard Fischer

          y = 33
          n = 3             4 digits               Prime    
          n = 5             8 digits               Prime    
          n = 11           18 digits               Prime    
          n = 17           28 digits               Prime    

          y = 34
          n = 2             3 digits               Prime    
          n = 7            11 digits               Prime    
          n = 11           18 digits               Prime    

          y = 37
          n = 7            11 digits               Prime    
          n = 13           21 digits               Prime    

          y = 39
          n = 19           32 digits               Prime    

          y = 40
          n = 2             3 digits               Prime    
          n = 13           22 digits               Prime    

          y = 41
          n = 3             5 digits               Prime    
          n = 7            11 digits               Prime    
          n = 19           32 digits               Prime    

          y = 43
          n = 5             8 digits               Prime    
          n = 13           22 digits               Prime    
          n = 17           28 digits               Prime    

          y = 44
          n = 11           18 digits               Prime    

          y = 45
          n = 37           62 digits               Prime    

          y = 46
          n = 38069     64344 digits    Dec 2016   PRP      Serge Batalov

          y = 47
          n = 1531       2588 digits    Apr 2014   Prime    Richard Fischer
          n = 8941      15112 digits    Dec 2013   PRP      Richard Fischer


   x = 50

          y = 3
          n = 2             2 digits               Prime    
          n = 3             4 digits               Prime    
          n = 17           28 digits               Prime    

          y = 9
          n = 2             2 digits               Prime    
          n = 17           28 digits               Prime    

          y = 11
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 13
          n = 3             4 digits               Prime    
          n = 7            11 digits               Prime    
          n = 17           28 digits               Prime    

          y = 17
          n = 2             2 digits               Prime    
          n = 5             7 digits               Prime    

          y = 21
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 41           69 digits               Prime    

          y = 23
          n = 2             2 digits               Prime    
          n = 7            11 digits               Prime    
          n = 43           72 digits               Prime    

          y = 27
          n = 5             8 digits               Prime    
          n = 11           18 digits               Prime    
          n = 17           28 digits               Prime    

          y = 29
          n = 2             3 digits               Prime    
          n = 31           52 digits               Prime    
          n = 47           79 digits               Prime    

          y = 31
          n = 3             4 digits               Prime    
          n = 5             8 digits               Prime    

          y = 33
          n = 2             3 digits               Prime    
          n = 23           38 digits               Prime    
          n = 47           79 digits               Prime    

          y = 37
          n = 31           52 digits               Prime    
          n = 41           69 digits               Prime    
          n = 47           79 digits               Prime    

          y = 39
          n = 2             3 digits               Prime    
          n = 13           22 digits               Prime    

          y = 41
          n = 7            11 digits               Prime    
          n = 13           22 digits               Prime    

          y = 43
          n = 19           32 digits               Prime    

          y = 47
          n = 2             3 digits               Prime    
          n = 5             9 digits               Prime    
          n = 13           22 digits               Prime    
          n = 19           32 digits               Prime    


   x = 51

          y = 49
          n = 7            12 digits    Apr 2014   Prime    Richard Fischer
          n = 503         859 digits    Apr 2014   Prime    Richard Fischer


   x = 53

          y = 51
          n = 5             9 digits    Apr 2014   Prime    Richard Fischer
          n = 31           54 digits    Apr 2014   Prime    Richard Fischer
          n = 191         330 digits    Apr 2014   Prime    Richard Fischer
          n = 8263      14248 digits    Dec 2013   PRP      Richard Fischer
          n = 9511      16400 digits    Apr 2014   PRP      Richard Fischer


   x = 55

          y = 53
          n = 337         587 digits    Apr 2014   Prime    Richard Fischer
          n = 557         970 digits    Apr 2014   Prime    Richard Fischer
          n = 607        1057 digits    Apr 2014   Prime    Richard Fischer


   x = 57

          y = 55
          n = 5             9 digits    Apr 2014   Prime    Richard Fischer
          n = 367         645 digits    Apr 2014   Prime    Richard Fischer
          n = 3343       5870 digits    Apr 2014   PRP      Richard Fischer
          n = 11887     20872 digits    Feb 2014   PRP      Richard Fischer
          n = 17011     29869 digits    Oct 2014   PRP      Richard Fischer


   x = 59

          y = 57
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 311         551 digits    Apr 2014   Prime    Richard Fischer
          n = 1979       3505 digits    Apr 2014   Prime    Richard Fischer


   x = 61

          y = 59
          n = 61          109 digits    Apr 2014   Prime    Richard Fischer
          n = 227         405 digits    Apr 2014   Prime    Richard Fischer
          n = 1019       1819 digits    Apr 2014   Prime    Richard Fischer
          n = 2069       3694 digits    Apr 2014   Prime    Richard Fischer
          n = 8807      15724 digits    Mar 2008   PRP      Lelio R Paula


   x = 63

          y = 61
          n = 19           34 digits    Apr 2014   Prime    Richard Fischer
          n = 37           67 digits    Apr 2014   Prime    Richard Fischer
          n = 131         236 digits    Apr 2014   Prime    Richard Fischer
          n = 347         625 digits    Apr 2014   Prime    Richard Fischer
          n = 2137       3845 digits    Apr 2014   Prime    Richard Fischer
          n = 7549      13583 digits    Dec 2013   PRP      Richard Fischer
          n = 7919      14249 digits    Dec 2013   PRP      Richard Fischer
          n = 11251     20245 digits    Jan 2014   PRP      Richard Fischer


   x = 65

          y = 63
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 7            13 digits    Apr 2014   Prime    Richard Fischer
          n = 13           24 digits    Apr 2014   Prime    Richard Fischer
          n = 127         230 digits    Apr 2014   Prime    Richard Fischer
          n = 431         782 digits    Apr 2014   Prime    Richard Fischer
          n = 1489       2700 digits    Apr 2014   Prime    Richard Fischer


   x = 67

          y = 65
          n = 23           42 digits    Apr 2014   Prime    Richard Fischer
          n = 37           68 digits    Apr 2014   Prime    Richard Fischer
          n = 59          108 digits    Apr 2014   Prime    Richard Fischer
          n = 61          112 digits    Apr 2014   Prime    Richard Fischer
          n = 1321       2412 digits    Apr 2014   Prime    Richard Fischer
          n = 9421      17204 digits    Apr 2014   PRP      Richard Fischer


   x = 69

          y = 67
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 167         307 digits    Apr 2014   Prime    Richard Fischer
          n = 11933     21943 digits    Mar 2014   PRP      Richard Fischer


   x = 71

          y = 69
          n = 11           21 digits    Apr 2014   Prime    Richard Fischer
          n = 1699       3145 digits    Apr 2014   Prime    Richard Fischer
          n = 16787     31077 digits    Nov 2014   PRP      Richard Fischer
          n = 20611     38156 digits    Jul 2019   PRP      Richard Fischer


   x = 73

          y = 71
          n = 16417     30590 digits    Oct 2014   PRP      Richard Fischer


   x = 75

          y = 73
          n = 163         306 digits    Apr 2014   Prime    Richard Fischer
          n = 331         621 digits    Apr 2014   Prime    Richard Fischer


   x = 77

          y = 75
          n = 23           44 digits    Apr 2014   Prime    Richard Fischer
          n = 97          183 digits    Apr 2014   Prime    Richard Fischer
          n = 263         496 digits    Apr 2014   Prime    Richard Fischer
          n = 2887       5446 digits    Apr 2014   Prime    Richard Fischer


   x = 79

          y = 77
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 53          101 digits    Apr 2014   Prime    Richard Fischer
          n = 67          127 digits    Apr 2014   Prime    Richard Fischer
          n = 73          139 digits    Apr 2014   Prime    Richard Fischer


   x = 81

          y = 32
          n = 2             3 digits    Sep 2019   Prime    Richard Fischer
          n = 3             5 digits    Sep 2019   Prime    Richard Fischer
          n = 5             8 digits    Sep 2019   Prime    Richard Fischer
          n = 17           31 digits    Sep 2019   Prime    Richard Fischer
          n = 1787       3409 digits    Sep 2019   PRP      Richard Fischer
          n = 2591       4944 digits    Sep 2019   PRP      Richard Fischer

          y = 79
          n = 5            10 digits    Apr 2014   Prime    Richard Fischer
          n = 19           36 digits    Apr 2014   Prime    Richard Fischer
          n = 41           78 digits    Apr 2014   Prime    Richard Fischer
          n = 1979       3777 digits    Apr 2014   Prime    Richard Fischer
          n = 3323       6342 digits    Apr 2014   PRP      Richard Fischer
          n = 9341      17827 digits    Apr 2014   PRP      Richard Fischer


   x = 83

          y = 81
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 227         436 digits    Apr 2014   Prime    Richard Fischer
          n = 1489       2858 digits    Apr 2014   Prime    Richard Fischer


   x = 85

          y = 83
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 11           21 digits    Apr 2014   Prime    Richard Fischer
          n = 23           45 digits    Apr 2014   Prime    Richard Fischer
          n = 29           56 digits    Apr 2014   Prime    Richard Fischer
          n = 71          137 digits    Apr 2014   Prime    Richard Fischer
          n = 12763     24625 digits    Mar 2014   PRP      Richard Fischer
          n = 17387     33547 digits    Dec 2015   PRP      Richard Fischer
          n = 28751     55473 digits    Jun 2021   PRP      Richard Fischer


   x = 87

          y = 85
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 13           25 digits    Apr 2014   Prime    Richard Fischer
          n = 41           80 digits    Apr 2014   Prime    Richard Fischer
          n = 353         685 digits    Apr 2014   Prime    Richard Fischer
          n = 1823       3536 digits    Apr 2014   Prime    Richard Fischer
          n = 2687       5212 digits    Apr 2014   Prime    Richard Fischer


   x = 89

          y = 87
          n = 5            10 digits    Apr 2014   Prime    Richard Fischer
          n = 11           22 digits    Apr 2014   Prime    Richard Fischer
          n = 47           92 digits    Apr 2014   Prime    Richard Fischer
          n = 3607       7032 digits    Apr 2014   PRP      Richard Fischer


   x = 93

          y = 22
          n = 5227      10288 digits    Apr 2006   PRP      Lelio R Paula

          y = 91
          n = 17           34 digits    Apr 2014   Prime    Richard Fischer
          n = 281         553 digits    Apr 2014   Prime    Richard Fischer
          n = 337         664 digits    Apr 2014   Prime    Richard Fischer
          n = 347         683 digits    Apr 2014   Prime    Richard Fischer
          n = 6949      13679 digits    Dec 2013   PRP      Richard Fischer
          n = 20873     41088 digits    Jul 2019   PRP      Richard Fischer
          n = 22031     43368 digits    Aug 2014   PRP      Richard Fischer


   x = 95

          y = 93
          n = 5            10 digits    Apr 2014   Prime    Richard Fischer
          n = 7            14 digits    Apr 2014   Prime    Richard Fischer
          n = 23           46 digits    Apr 2014   Prime    Richard Fischer
          n = 29           58 digits    Apr 2014   Prime    Richard Fischer
          n = 101         200 digits    Apr 2014   Prime    Richard Fischer
          n = 233         461 digits    Apr 2014   Prime    Richard Fischer
          n = 499         987 digits    Apr 2014   Prime    Richard Fischer
          n = 2713       5366 digits    Apr 2014   Prime    Richard Fischer


   x = 97

          y = 95
          n = 31           62 digits    Apr 2014   Prime    Richard Fischer
          n = 89          177 digits    Apr 2014   Prime    Richard Fischer
          n = 149         296 digits    Apr 2014   Prime    Richard Fischer
          n = 199         396 digits    Apr 2014   Prime    Richard Fischer
          n = 1097       2180 digits    Apr 2014   Prime    Richard Fischer
          n = 1237       2458 digits    Apr 2014   Prime    Richard Fischer
          n = 1259       2502 digits    Apr 2014   Prime    Richard Fischer


   x = 99

          y = 97
          n = 3             6 digits    Apr 2014   Prime    Richard Fischer
          n = 37           74 digits    Apr 2014   Prime    Richard Fischer
          n = 541        1080 digits    Apr 2014   Prime    Richard Fischer
          n = 5813      11601 digits    Dec 2013   PRP      Richard Fischer


   x = 103

          y = 101
          n = 109         220 digits    Apr 2014   Prime    Richard Fischer
          n = 227         457 digits    Apr 2014   Prime    Richard Fischer
          n = 15373     30944 digits    Sep 2014   PRP      Richard Fischer
          n = 18917     38077 digits    Apr 2016   PRP      Richard Fischer


   x = 105

          y = 103
          n = 5            10 digits    Apr 2014   Prime    Richard Fischer
          n = 7            14 digits    Apr 2014   Prime    Richard Fischer
          n = 127         257 digits    Apr 2014   Prime    Richard Fischer
          n = 317         641 digits    Apr 2014   Prime    Richard Fischer
          n = 433         875 digits    Apr 2014   Prime    Richard Fischer


   x = 107

          y = 105
          n = 7            14 digits    Apr 2014   Prime    Richard Fischer
          n = 11           23 digits    Apr 2014   Prime    Richard Fischer
          n = 53          108 digits    Apr 2014   Prime    Richard Fischer
          n = 419         851 digits    Apr 2014   Prime    Richard Fischer
          n = 1231       2498 digits    Apr 2014   Prime    Richard Fischer


   x = 109

          y = 107
          n = 89          182 digits    Apr 2014   Prime    Richard Fischer
          n = 827        1685 digits    Apr 2014   Prime    Richard Fischer


   x = 111

          y = 109
          n = 13           27 digits    Jul 2019   Prime    Richard Fischer
          n = 43           88 digits    Jul 2019   Prime    Richard Fischer
          n = 59          121 digits    Jul 2019   Prime    Richard Fischer
          n = 71          145 digits    Jul 2019   Prime    Richard Fischer
          n = 1097       2244 digits    Jul 2019   Prime    Richard Fischer
          n = 9631      19699 digits    Jul 2019   PRP      Richard Fischer


   x = 113

          y = 111
          n = 3             6 digits    Jul 2019   Prime    Richard Fischer
          n = 43           88 digits    Jul 2019   Prime    Richard Fischer
          n = 53          109 digits    Jul 2019   Prime    Richard Fischer
          n = 79          162 digits    Jul 2019   Prime    Richard Fischer
          n = 107         220 digits    Jul 2019   Prime    Richard Fischer
          n = 349         717 digits    Jul 2019   Prime    Richard Fischer
          n = 5087      10444 digits    Jul 2019   PRP      Richard Fischer


   x = 115

          y = 113
          n = 3             6 digits    Aug 2023   PRP      Richard Fischer
          n = 31           64 digits    Aug 2023   Prime    Richard Fischer
          n = 127         262 digits    Aug 2023   Prime    Richard Fischer
          n = 641        1321 digits    Aug 2023   Prime    Richard Fischer
          n = 4261       8781 digits    Aug 2023   PRP      Richard Fischer


   x = 116

          y = 109
          n = 5227      10791 digits    Nov 2006   PRP      Lelio R Paula


   x = 117

          y = 115
          n = 53          110 digits    Aug 2023   Prime    Richard Fischer
          n = 2053       4246 digits    Aug 2023   PRP      Richard Fischer
          n = 3571       7386 digits    Aug 2023   PRP      Richard Fischer
          n = 7879      16295 digits    Aug 2023   PRP      Richard Fischer


   x = 119

          y = 117
          n = 5            11 digits    Aug 2023   Prime    Richard Fischer
          n = 7            15 digits    Aug 2023   Prime    Richard Fischer
          n = 29           60 digits    Aug 2023   Prime    Richard Fischer
          n = 773        1605 digits    Aug 2023   Prime    Richard Fischer


   x = 121

          y = 119
          n = 7            15 digits    Aug 2023   Prime    Richard Fischer
          n = 31           65 digits    Aug 2023   Prime    Richard Fischer
          n = 43           90 digits    Aug 2023   Prime    Richard Fischer


   x = 123

          y = 121
          n = 5            11 digits    Aug 2023   Prime    Richard Fischer
          n = 193         404 digits    Aug 2023   PRP      Richard Fischer
          n = 5179      10824 digits    Aug 2023   PRP      Richard Fischer
          n = 6029      12600 digits    Aug 2023   PRP      Richard Fischer
          n = 13093     27363 digits    Aug 2023   PRP      Richard Fischer


   x = 125

          y = 4
          n = 3             5 digits    Sep 2019   Prime    Richard Fischer
          n = 61          126 digits    Sep 2019   Prime    Richard Fischer
          n = 67          139 digits    Sep 2019   Prime    Richard Fischer
          n = 199         416 digits    Sep 2019   Prime    Richard Fischer
          n = 643        1347 digits    Sep 2019   Prime    Richard Fischer
          n = 2237       4689 digits    Sep 2019   PRP      Richard Fischer
          n = 5657      11861 digits    Sep 2019   PRP      Richard Fischer
          n = 8933      18730 digits    Sep 2019   PRP      Richard Fischer

          y = 81
          n = 773        1620 digits    Sep 2019   Prime    Richard Fischer

          y = 121
          n = 23           48 digits    Sep 2019   Prime    Richard Fischer
          n = 157         329 digits    Sep 2019   Prime    Richard Fischer
          n = 8243      17285 digits    Sep 2019   PRP      Richard Fischer


   x = 127

          y = 125
          n = 3             7 digits    Aug 2023   Prime    Richard Fischer
          n = 31           65 digits    Aug 2023   Prime    Richard Fischer
          n = 2383       5014 digits    Aug 2023   PRP      Richard Fischer
          n = 10909     22951 digits    Aug 2023   PRP      Richard Fischer
          n = 16033     33730 digits    Aug 2023   PRP      Richard Fischer


   x = 128

          y = 81
          n = 17           35 digits    Sep 2019   Prime    Richard Fischer
          n = 61          127 digits    Sep 2019   Prime    Richard Fischer
          n = 151         317 digits    Sep 2019   Prime    Richard Fischer

          y = 121
          n = 61          128 digits    Sep 2019   Prime    Richard Fischer
          n = 619        1304 digits    Sep 2019   Prime    Richard Fischer
          n = 4861      10243 digits    Sep 2019   PRP      Richard Fischer
          n = 10391     21896 digits    Sep 2019   PRP      Richard Fischer

          y = 125
          n = 619        1304 digits    Sep 2019   Prime    Richard Fischer
          n = 14767     31117 digits    Sep 2019   PRP      Richard Fischer


   x = 129

          y = 127
          n = 7            15 digits    Aug 2023   Prime    Richard Fischer
          n = 47           99 digits    Aug 2023   Prime    Richard Fischer
          n = 1741       3675 digits    Aug 2023   PRP      Richard Fischer


   x = 144

          y = 125
          n = 2             4 digits    Sep 2019   Prime    Richard Fischer
          n = 3             6 digits    Sep 2019   Prime    Richard Fischer
          n = 53          114 digits    Sep 2019   Prime    Richard Fischer
          n = 61          131 digits    Sep 2019   Prime    Richard Fischer
          n = 167         360 digits    Sep 2019   Prime    Richard Fischer


   x = 155

          y = 152
          n = 5227      11449 digits    Dec 2008   PRP      Lelio R Paula


   x = 169

          y = 125
          n = 7            14 digits    Sep 2019   Prime    Richard Fischer
          n = 17           37 digits    Sep 2019   Prime    Richard Fischer
          n = 61          135 digits    Sep 2019   Prime    Richard Fischer
          n = 787        1752 digits    Sep 2019   Prime    Richard Fischer
          n = 1433       3191 digits    Sep 2019   Prime    Richard Fischer
          n = 8747      19486 digits    Sep 2019   PRP      Richard Fischer

          y = 128
          n = 5            10 digits    Sep 2019   Prime    Richard Fischer
          n = 7            14 digits    Sep 2019   Prime    Richard Fischer
          n = 107         237 digits    Sep 2019   Prime    Richard Fischer
          n = 317         705 digits    Sep 2019   Prime    Richard Fischer
          n = 4513      10053 digits    Sep 2019   PRP      Richard Fischer


   x = 200

          y = 129
          n = 5227      12026 digits    Jan 2009   PRP      Lelio R Paula


   x = 202

          y = 93
          n = 30059     69295 digits    Feb 2026   PRP      Norbert Schneider


   x = 205

          y = 84
          n = 30091     69561 digits    Mar 2026   PRP      Norbert Schneider


   x = 206

          y = 115
          n = 30089     69620 digits    Mar 2026   PRP      Norbert Schneider


   x = 216

          y = 169
          n = 3             6 digits    Sep 2019   Prime    Richard Fischer
          n = 5            11 digits    Sep 2019   Prime    Richard Fischer
          n = 7            15 digits    Sep 2019   Prime    Richard Fischer
          n = 761        1775 digits    Sep 2019   Prime    Richard Fischer
          n = 947        2210 digits    Sep 2019   Prime    Richard Fischer
          n = 2729       6370 digits    Sep 2019   PRP      Richard Fischer
          n = 14633     34159 digits    Sep 2019   PRP      Richard Fischer


   x = 243

          y = 196
          n = 2             4 digits    Sep 2019   Prime    Richard Fischer
          n = 9931      23690 digits    Sep 2019   PRP      Richard Fischer


   x = 256

          y = 243
          n = 2             4 digits    Sep 2019   Prime    Richard Fischer
          n = 3             7 digits    Sep 2019   Prime    Richard Fischer
          n = 631        1519 digits    Sep 2019   Prime    Richard Fischer
          n = 1291       3108 digits    Sep 2019   Prime    Richard Fischer


   x = 289

          y = 32
          n = 1601       3938 digits    Sep 2019   PRP      Richard Fischer
          n = 2141       5267 digits    Sep 2019   PRP      Richard Fischer
          n = 5419      13334 digits    Sep 2019   PRP      Richard Fischer

          y = 243
          n = 7            16 digits    Sep 2019   Prime    Richard Fischer
          n = 10259     25245 digits    Oct 2019   PRP      Richard Fischer
          n = 11807     29055 digits    Oct 2019   PRP      Richard Fischer


   x = 343

          y = 100
          n = 2             3 digits    Sep 2019   Prime    Richard Fischer
          n = 5            11 digits    Sep 2019   Prime    Richard Fischer
          n = 13           31 digits    Sep 2019   Prime    Richard Fischer
          n = 31           77 digits    Sep 2019   Prime    Richard Fischer

          y = 243
          n = 3             6 digits    Sep 2019   Prime    Richard Fischer
          n = 19           47 digits    Sep 2019   Prime    Richard Fischer
          n = 1627       4123 digits    Sep 2019   PRP      Richard Fischer
          n = 1861       4717 digits    Sep 2019   PRP      Richard Fischer
          n = 2381       6035 digits    Sep 2019   PRP      Richard Fischer


   x = 361

          y = 343
          n = 11           27 digits    Sep 2019   Prime    Richard Fischer
          n = 2269       5802 digits    Sep 2019   PRP      Richard Fischer
          n = 2819       7209 digits    Sep 2019   PRP      Richard Fischer


   x = 529

          y = 512
          n = 13           35 digits    Sep 2019   Prime    Richard Fischer
          n = 53          144 digits    Sep 2019   Prime    Richard Fischer
          n = 1459       3973 digits    Sep 2019   PRP      Richard Fischer


   x = 759

          y = 688
          n = 5227      15054 digits    Jan 2009   PRP      Lelio R Paula


   x = 1000

          y = 961
          n = 97          290 digits    Sep 2019   Prime    Richard Fischer
          n = 5119      15356 digits    Sep 2019   PRP      Richard Fischer


   x = 1170

          y = 1163
          n = 5227      16037 digits    Apr 2009   PRP      Lelio R Paula


   x = 1331

          y = 1296
          n = 103         321 digits    Sep 2019   Prime    Richard Fischer
          n = 2659       8306 digits    Sep 2019   PRP      Richard Fischer


   x = 1367

          y = 1361
          n = 5227      16390 digits    Apr 2009   PRP      Lelio R Paula


   x = 1369

          y = 1331
          n = 953        2988 digits    Sep 2019   Prime    Richard Fischer
          n = 4951      15527 digits    Sep 2019   PRP      Richard Fischer


   x = 1383

          y = 1379
          n = 3301      10368 digits    Apr 2009   PRP      Lelio R Paula


   x = 1408

          y = 1405
          n = 3253      10242 digits    Apr 2009   PRP      Lelio R Paula


   x = 1561

          y = 1559
          n = 5227      16692 digits    Nov 2008   PRP      Lelio R Paula


   x = 1755

          y = 1751
          n = 3301      10709 digits    Apr 2009   PRP      Lelio R Paula


   x = 1789

          y = 1785
          n = 5227      17001 digits    Apr 2009   PRP      Lelio R Paula


   x = 1893

          y = 1885
          n = 3253      10660 digits    Apr 2009   PRP      Lelio R Paula


   x = 1931

          y = 1928
          n = 3253      10689 digits    Apr 2009   PRP      Lelio R Paula


   x = 1943

          y = 1934
          n = 3301      10855 digits    Apr 2009   PRP      Lelio R Paula


   x = 2048

          y = 2025
          n = 2             6 digits    Sep 2019   Prime    Richard Fischer
          n = 79          261 digits    Sep 2019   Prime    Richard Fischer


   x = 2187

          y = 2048
          n = 3             8 digits    Jan 2020   Prime    Richard Fischer
          n = 1249       4170 digits    Jan 2020   PRP      Richard Fischer
          n = 7109      23741 digits    Jan 2020   PRP      Richard Fischer


   x = 2197

          y = 2187
          n = 7            23 digits    Sep 2019   Prime    Richard Fischer


   x = 2209

          y = 2187
          n = 5            16 digits    Sep 2019   Prime    Richard Fischer
          n = 79          263 digits    Sep 2019   Prime    Richard Fischer
          n = 227         758 digits    Sep 2019   Prime    Richard Fischer


   x = 2453

          y = 2444
          n = 3253      11026 digits    Apr 2009   PRP      Lelio R Paula


   x = 2528

          y = 2525
          n = 3833      13043 digits    Dec 2008   PRP      Lelio R Paula


   x = 2690

          y = 2679
          n = 2917      10004 digits    May 2009   PRP      Lelio R Paula


   x = 2740

          y = 2737
          n = 3253      11183 digits    Apr 2009   PRP      Lelio R Paula


   x = 3035

          y = 118
          n = 3343      11638 digits    Oct 2008   PRP      Lelio R Paula


   x = 3073

          y = 3069
          n = 3301      11512 digits    Apr 2009   PRP      Lelio R Paula


   x = 3136

          y = 3125
          n = 571        1996 digits    Sep 2019   Prime    Richard Fischer
          n = 4993      17457 digits    Sep 2019   PRP      Richard Fischer


   x = 3158

          y = 3155
          n = 3833      13413 digits    Dec 2008   PRP      Lelio R Paula


   x = 3241

          y = 324
          n = 3529      12386 digits    Oct 2008   PRP      Lelio R Paula


   x = 3314

          y = 397
          n = 3121      10984 digits    Sep 2008   PRP      Lelio R Paula


   x = 3329

          y = 412
          n = 3121      10990 digits    Sep 2008   PRP      Lelio R Paula


   x = 3347

          y = 3339
          n = 3301      11634 digits    Apr 2009   PRP      Lelio R Paula


   x = 3354

          y = 445
          n = 2917      10281 digits    May 2009   PRP      Lelio R Paula


   x = 3423

          y = 3419
          n = 2917      10310 digits    Nov 2008   PRP      Lelio R Paula


   x = 3466

          y = 557
          n = 2917      10323 digits    May 2009   PRP      Lelio R Paula


   x = 3609

          y = 3599
          n = 2917      10376 digits    Dec 2008   PRP      Lelio R Paula


   x = 3691

          y = 3688
          n = 2917      10405 digits    Nov 2008   PRP      Lelio R Paula


   x = 3855

          y = 3844
          n = 2917      10460 digits    May 2009   PRP      Lelio R Paula


   x = 3883

          y = 956
          n = 2917      10467 digits    May 2009   PRP      Lelio R Paula


   x = 3999

          y = 3997
          n = 5227      18828 digits    Nov 2008   PRP      Lelio R Paula


   x = 4041

          y = 4033
          n = 2917      10520 digits    Nov 2008   PRP      Lelio R Paula


   x = 4055

          y = 4044
          n = 2917      10524 digits    May 2009   PRP      Lelio R Paula


   x = 4092

          y = 4087
          n = 2917      10536 digits    Nov 2008   PRP      Lelio R Paula


   x = 4093

          y = 1176
          n = 3121      11270 digits    Oct 2008   PRP      Lelio R Paula


   x = 4145

          y = 4142
          n = 3833      13866 digits    Dec 2008   PRP      Lelio R Paula


   x = 4178

          y = 4171
          n = 2917      10562 digits    Nov 2008   PRP      Lelio R Paula


   x = 4235

          y = 4232
          n = 3253      11798 digits    Apr 2009   PRP      Lelio R Paula


   x = 4253

          y = 1344
          n = 2917      10582 digits    May 2009   PRP      Lelio R Paula


   x = 4420

          y = 4417
          n = 3253      11859 digits    Apr 2009   PRP      Lelio R Paula


   x = 4447

          y = 4443
          n = 3253      11867 digits    Apr 2009   PRP      Lelio R Paula


   x = 4482

          y = 4411
          n = 5227      19085 digits    Apr 2009   PRP      Lelio R Paula


   x = 4520

          y = 4513
          n = 2917      10662 digits    Nov 2008   PRP      Lelio R Paula


   x = 4734

          y = 1807
          n = 2917      10718 digits    May 2009   PRP      Lelio R Paula


   x = 4820

          y = 4811
          n = 3253      11980 digits    Apr 2009   PRP      Lelio R Paula


   x = 4828

          y = 1919
          n = 2917      10743 digits    May 2009   PRP      Lelio R Paula


   x = 4905

          y = 1978
          n = 2917      10763 digits    May 2009   PRP      Lelio R Paula


   x = 4913

          y = 4900
          n = 3            10 digits    Sep 2019   Prime    Richard Fischer


   x = 4952

          y = 4949
          n = 3253      12019 digits    Apr 2009   PRP      Lelio R Paula


   x = 4995

          y = 4993
          n = 3301      12209 digits    Apr 2009   PRP      Lelio R Paula


   x = 5009

          y = 5000
          n = 2917      10792 digits    Nov 2008   PRP      Lelio R Paula


   x = 5041

          y = 4913
          n = 5            17 digits    Sep 2019   Prime    Richard Fischer
          n = 11           39 digits    Sep 2019   Prime    Richard Fischer
          n = 71          261 digits    Sep 2019   Prime    Richard Fischer


   x = 5202

          y = 5197
          n = 2917      10840 digits    Nov 2008   PRP      Lelio R Paula


   x = 5419

          y = 5348
          n = 5227      19516 digits    May 2009   PRP      Lelio R Paula


   x = 5427

          y = 5417
          n = 2917      10893 digits    Dec 2008   PRP      Lelio R Paula


   x = 5450

          y = 5447
          n = 3253      12155 digits    Apr 2009   PRP      Lelio R Paula


   x = 5460

          y = 2543
          n = 3121      11661 digits    Oct 2008   PRP      Lelio R Paula


   x = 5497

          y = 5489
          n = 3301      12346 digits    Apr 2009   PRP      Lelio R Paula


   x = 5527

          y = 2610
          n = 3121      11677 digits    Oct 2008   PRP      Lelio R Paula


   x = 5570

          y = 5567
          n = 3833      14358 digits    Dec 2008   PRP      Lelio R Paula


   x = 5637

          y = 5633
          n = 3301      12382 digits    Apr 2009   PRP      Lelio R Paula


   x = 5651

          y = 5649
          n = 3253      12206 digits    Apr 2009   PRP      Lelio R Paula


   x = 5763

          y = 5756
          n = 2917      10969 digits    Nov 2008   PRP      Lelio R Paula


   x = 5897

          y = 5894
          n = 3833      14453 digits    Dec 2008   PRP      Lelio R Paula


   x = 5991

          y = 5983
          n = 2917      11019 digits    Nov 2008   PRP      Lelio R Paula


   x = 6015

          y = 3098
          n = 3121      11792 digits    Oct 2008   PRP      Lelio R Paula


   x = 6035

          y = 6027
          n = 2917      11028 digits    Nov 2008   PRP      Lelio R Paula


   x = 6048

          y = 3131
          n = 3121      11799 digits    Oct 2008   PRP      Lelio R Paula


   x = 6063

          y = 6059
          n = 2917      11034 digits    Nov 2008   PRP      Lelio R Paula


   x = 6105

          y = 6092
          n = 2917      11042 digits    Jun 2009   PRP      Lelio R Paula


   x = 6234

          y = 6221
          n = 2917      11069 digits    Jun 2009   PRP      Lelio R Paula


   x = 6279

          y = 6275
          n = 3301      12537 digits    May 2009   PRP      Lelio R Paula


   x = 6495

          y = 6424
          n = 5227      19927 digits    May 2009   PRP      Lelio R Paula


   x = 6511

          y = 6509
          n = 2917      11125 digits    Nov 2008   PRP      Lelio R Paula


   x = 6514

          y = 6503
          n = 2917      11124 digits    May 2009   PRP      Lelio R Paula


   x = 6893

          y = 3966
          n = 2917      11194 digits    May 2009   PRP      Lelio R Paula


   x = 7167

          y = 4258
          n = 2917      11243 digits    May 2009   PRP      Lelio R Paula


   x = 7204

          y = 7197
          n = 2917      11252 digits    Nov 2008   PRP      Lelio R Paula


   x = 7341

          y = 7339
          n = 3833      14818 digits    Nov 2008   PRP      Lelio R Paula


   x = 7412

          y = 4495
          n = 3121      12075 digits    Oct 2008   PRP      Lelio R Paula


   x = 7731

          y = 7727
          n = 2917      11342 digits    Nov 2008   PRP      Lelio R Paula


   x = 7811

          y = 7805
          n = 2917      11355 digits    Nov 2008   PRP      Lelio R Paula


   x = 7823

          y = 7819
          n = 3301      12852 digits    May 2009   PRP      Lelio R Paula


   x = 7826

          y = 7815
          n = 2917      11357 digits    May 2009   PRP      Lelio R Paula


   x = 7846

          y = 4937
          n = 2917      11358 digits    May 2009   PRP      Lelio R Paula


   x = 7898

          y = 7885
          n = 2917      11368 digits    Jun 2009   PRP      Lelio R Paula


   x = 8169

          y = 8161
          n = 2917      11411 digits    Nov 2008   PRP      Lelio R Paula


   x = 8193

          y = 8189
          n = 2917      11415 digits    Nov 2008   PRP      Lelio R Paula


   x = 8234

          y = 5325
          n = 2917      11419 digits    May 2009   PRP      Lelio R Paula


   x = 8295

          y = 8293
          n = 5227      20484 digits    Nov 2008   PRP      Lelio R Paula


   x = 8445

          y = 8441
          n = 2917      11454 digits    Nov 2008   PRP      Lelio R Paula


   x = 8459

          y = 5532
          n = 2917      11453 digits    May 2009   PRP      Lelio R Paula


   x = 8479

          y = 8468
          n = 2917      11458 digits    May 2009   PRP      Lelio R Paula


   x = 8622

          y = 8611
          n = 2917      11480 digits    May 2009   PRP      Lelio R Paula


   x = 8659

          y = 8657
          n = 2917      11486 digits    Nov 2008   PRP      Lelio R Paula


   x = 8820

          y = 8809
          n = 2917      11508 digits    May 2009   PRP      Lelio R Paula


   x = 8889

          y = 8887
          n = 2917      11519 digits    Nov 2008   PRP      Lelio R Paula


   x = 8934

          y = 8921
          n = 2917      11525 digits    Jun 2009   PRP      Lelio R Paula


   x = 9052

          y = 9039
          n = 2917      11541 digits    Jun 2009   PRP      Lelio R Paula


   x = 9068

          y = 9065
          n = 2917      11544 digits    Nov 2008   PRP      Lelio R Paula


   x = 9215

          y = 9213
          n = 5227      20723 digits    Nov 2008   PRP      Lelio R Paula


   x = 9884

          y = 9879
          n = 2917      11653 digits    Nov 2008   PRP      Lelio R Paula