Known (probable) primes of form (x^n+y^n)/(x+y), x = 5 .. 999 inclusive small n's up to x = 50 and each possible y
x = 5
y = 2
n = 3 2 digits Prime
n = 19373 13541 digits Feb 2008 PRP Lelio R Paula
n = 26489 18515 digits Mar 2008 PRP Lelio R Paula
n = 27427 19171 digits Mar 2008 PRP Lelio R Paula
y = 3
n = 3 2 digits Prime
n = 5 4 digits Prime
n = 7 5 digits Prime
n = 17 12 digits Prime
n = 19 13 digits Prime
n = 109 76 digits Prime
n = 509 356 digits Prime
n = 661 462 digits Prime
n = 709 496 digits Prime
n = 1231 861 digits Prime
n = 12889 9009 digits Apr 2012 PRP Robert Price
n = 13043 9117 digits Apr 2012 PRP Robert Price
n = 26723 18679 digits Jan 2009 PRP Lelio R Paula
n = 43963 30729 digits Feb 2012 PRP Lelio R Paula
n = 44789 31306 digits Feb 2012 PRP Lelio R Paula
y = 4
n = 5 4 digits Prime
n = 7 5 digits Prime
n = 19 14 digits Prime
n = 29 21 digits Prime
n = 61 43 digits Prime
n = 137 96 digits Prime
n = 883 618 digits Prime
n = 1381 966 digits Feb 2008 Prime Ryan S. Propper
n = 1823 1275 digits Feb 2008 Prime Ryan S. Propper
n = 5227 3654 digits Feb 2008 Prime Ryan S. Propper
n = 25561 17867 digits May 2008 PRP Richard Fischer
n = 29537 20646 digits May 2008 PRP Richard Fischer
n = 300893 210316 digits Nov 2011 PRP Jean-Louis Charton
x = 6
y = 5
n = 3 3 digits Prime
n = 5 4 digits Prime
n = 17 14 digits Prime
n = 397 309 digits Prime
n = 409 319 digits Prime
n = 643 501 digits Prime
n = 1783 1388 digits May 2010 Prime Alexander Adamchuk
n = 2617 2037 digits May 2010 Prime Alexander Adamchuk
n = 4583 3567 digits May 2010 Prime Alexander Adamchuk
n = 8783 6835 digits Oct 2010 Prime Jean-Louis Charton
x = 7
y = 2
n = 5 4 digits Prime
n = 23 19 digits Prime
n = 73 61 digits Prime
n = 101 85 digits Prime
n = 401 339 digits Prime
n = 419 354 digits Prime
n = 457 386 digits Feb 2007 Prime Alexander Adamchuk
n = 811 685 digits Feb 2007 Prime Alexander Adamchuk
n = 1163 983 digits Feb 2007 Prime Alexander Adamchuk
n = 1511 1277 digits Mar 2007 Prime Ryan S. Propper
n = 8011 6770 digits Mar 2007 Prime Ryan S. Propper
y = 3
n = 3 2 digits Prime
n = 13 11 digits Prime
n = 31 26 digits Prime
n = 313 264 digits Prime
n = 3709 3134 digits Apr 2007 Prime Ryan S. Propper
n = 7933 6704 digits Apr 2007 Prime Ryan S. Propper
n = 14797 12505 digits Jan 2008 PRP Lelio R Paula
n = 30689 25935 digits Feb 2012 PRP Lelio R Paula
n = 38333 32395 digits Feb 2012 PRP Lelio R Paula
y = 4
n = 3 3 digits Prime
n = 5 4 digits Prime
n = 19 16 digits Prime
n = 41 35 digits Prime
n = 47 40 digits Prime
n = 8231 6956 digits Oct 2012 Prime Robert Price
n = 33931 28675 digits Oct 2012 PRP Robert Price
n = 43781 36999 digits Oct 2012 PRP Robert Price
n = 50833 42959 digits Oct 2012 PRP Robert Price
n = 53719 45398 digits Oct 2012 PRP Robert Price
n = 67211 56800 digits Oct 2012 PRP Robert Price
y = 5
n = 11 9 digits Prime
n = 31 26 digits Prime
n = 173 146 digits Prime
n = 271 229 digits Prime
n = 547 462 digits Feb 2007 Prime Alexander Adamchuk
n = 1823 1541 digits Nov 2012 Prime Robert Price
n = 2111 1784 digits Nov 2012 Prime Robert Price
n = 5519 4664 digits Nov 2012 Prime Robert Price
n = 7793 6586 digits Nov 2012 Prime Robert Price
n = 22963 19406 digits Jan 2009 PRP Lelio R Paula
n = 41077 34714 digits Nov 2012 PRP Robert Price
n = 49739 42035 digits Nov 2012 PRP Robert Price
y = 6
n = 3 3 digits Prime
n = 53 45 digits Prime
n = 83 71 digits Prime
n = 487 412 digits Jan 2013 Prime Robert Price
n = 743 628 digits Jan 2013 Prime Robert Price
x = 8
y = 3
n = 5 4 digits Prime
n = 163 147 digits Prime
n = 191 172 digits Prime
n = 229 207 digits Prime
n = 271 245 digits Prime
n = 733 662 digits Feb 2007 Prime Alexander Adamchuk
n = 21059 19018 digits Feb 2009 PRP Lelio R Paula
n = 25237 22791 digits Apr 2009 PRP Lelio R Paula
y = 5
n = 7 6 digits Prime
n = 19 17 digits Prime
n = 167 151 digits Prime
n = 173 156 digits Prime
n = 223 201 digits Prime
n = 281 254 digits Prime
n = 21647 19549 digits Mar 2009 PRP Lelio R Paula
y = 7
n = 7 7 digits Prime
n = 13 12 digits Prime
n = 31 28 digits Prime
n = 43 39 digits Prime
n = 269 243 digits Prime
n = 353 319 digits Oct 2010 Prime Jean-Louis Charton
n = 383 346 digits Oct 2010 Prime Jean-Louis Charton
n = 619 560 digits Oct 2010 Prime Jean-Louis Charton
n = 829 749 digits Oct 2010 Prime Jean-Louis Charton
n = 877 793 digits Oct 2010 Prime Jean-Louis Charton
n = 4957 4477 digits Oct 2010 Prime Jean-Louis Charton
n = 5711 5158 digits Oct 2010 Prime Jean-Louis Charton
n = 8317 7511 digits Oct 2010 Prime Jean-Louis Charton
n = 21739 19633 digits Feb 2009 PRP Lelio R Paula
n = 24029 21701 digits Apr 2009 PRP Lelio R Paula
n = 38299 34588 digits Oct 2010 PRP Jean-Louis Charton
x = 9
y = 2
n = 3 3 digits Prime
n = 7 6 digits Prime
n = 127 121 digits Prime
n = 283 270 digits Prime
n = 883 842 digits Feb 2007 Prime Rick L. Shepherd
n = 1523 1453 digits Feb 2007 Prime Rick L. Shepherd
n = 4001 3818 digits Dec 2012 Prime Robert Price
y = 4
n = 3 3 digits Prime
n = 5 5 digits Prime
n = 7 6 digits Prime
n = 11 10 digits Prime
n = 17 16 digits Prime
n = 19 18 digits Prime
n = 41 39 digits Prime
n = 53 50 digits Prime
n = 109 104 digits Prime
n = 167 159 digits Prime
n = 2207 2106 digits Feb 2013 Prime Robert Price
n = 3623 3457 digits Feb 2013 Prime Robert Price
n = 5059 4827 digits Feb 2013 Prime Robert Price
n = 5471 5220 digits Feb 2013 Prime Robert Price
n = 7949 7585 digits Feb 2013 Prime Robert Price
n = 21211 20240 digits Mar 2009 PRP Lelio R Paula
n = 32993 31483 digits Feb 2013 PRP Robert Price
n = 60251 57494 digits Feb 2013 PRP Robert Price
y = 5
n = 3 3 digits Prime
n = 5 5 digits Prime
n = 13 12 digits Prime
n = 17 16 digits Prime
n = 43 41 digits Prime
n = 127 121 digits Prime
n = 229 218 digits Prime
n = 277 264 digits Prime
n = 6043 5766 digits Oct 2009 Prime Sean A. Irvine
n = 11131 10622 digits Feb 2008 PRP Lelio R Paula
n = 11821 11280 digits Feb 2008 PRP Lelio R Paula
y = 7
n = 3 3 digits Prime
n = 107 102 digits Prime
n = 197 188 digits Prime
n = 2843 2713 digits Mar 2018 Prime Tim Johannes Ohrtmann
n = 3571 3408 digits Mar 2018 Prime Tim Johannes Ohrtmann
n = 4451 4248 digits Mar 2018 Prime Tim Johannes Ohrtmann
n = 31517 30075 digits Feb 2012 PRP Lelio R Paula
n = 44819 42768 digits May 2018 PRP Eric Chen
y = 8
n = 3 3 digits Prime
n = 7 7 digits Prime
n = 13 13 digits Prime
n = 19 19 digits Prime
n = 307 293 digits Prime
n = 619 591 digits Dec 2012 Prime Robert Price
n = 2089 1994 digits Dec 2012 Prime Robert Price
n = 7297 6964 digits Dec 2012 Prime Robert Price
n = 75571 72114 digits Dec 2012 PRP Robert Price
n = 76103 72621 digits Dec 2012 PRP Robert Price
n = 98897 94372 digits Dec 2012 PRP Robert Price
x = 10
y = 3
n = 3 3 digits Prime
n = 19 19 digits Prime
n = 31 31 digits Prime
n = 101 101 digits Prime
n = 139 139 digits Prime
n = 167 167 digits Prime
n = 1097 1097 digits Feb 2007 Prime Alexander Adamchuk
n = 43151 43151 digits Jan 2013 PRP Robert Price
n = 60703 60703 digits Jan 2013 PRP Robert Price
n = 90499 90499 digits Jan 2013 PRP Robert Price
y = 7
n = 3 3 digits Prime
n = 5 5 digits Prime
n = 11 11 digits Prime
n = 19 19 digits Prime
n = 1259 1259 digits Oct 2019 Prime Tim Johannes Ohrtmann
n = 1399 1399 digits Oct 2019 Prime Tim Johannes Ohrtmann
n = 2539 2539 digits Oct 2019 Prime Tim Johannes Ohrtmann
n = 2843 2843 digits Oct 2019 Prime Tim Johannes Ohrtmann
n = 5857 5857 digits Oct 2019 PRP Tim Johannes Ohrtmann
n = 10589 10589 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 7 8 digits Prime
n = 67 68 digits Prime
n = 73 74 digits Prime
n = 1091 1092 digits Feb 2013 Prime Robert Price
n = 1483 1484 digits Feb 2013 Prime Robert Price
n = 10937 10938 digits Feb 2008 PRP Lelio R Paula
x = 11
y = 2
n = 3 3 digits Prime
n = 5 5 digits Prime
n = 17 17 digits Prime
n = 67 69 digits Prime
n = 83 86 digits Prime
n = 101 105 digits Prime
n = 1373 1429 digits Feb 2008 Prime Ryan S. Propper
n = 6101 6353 digits Feb 2008 Prime Ryan S. Propper
n = 12119 12620 digits Feb 2008 PRP Lelio R Paula
n = 61781 64338 digits Feb 2013 PRP Robert Price
y = 3
n = 3 3 digits Prime
n = 103 107 digits Prime
n = 271 282 digits Prime
n = 523 544 digits Feb 2007 Prime Alexander Adamchuk
n = 23087 24042 digits Mar 2009 PRP Lelio R Paula
n = 69833 72723 digits Mar 2013 PRP Robert Price
y = 4
n = 7 7 digits Prime
n = 53 55 digits Prime
n = 67 69 digits Prime
n = 71 74 digits Prime
n = 443 461 digits Apr 2013 Prime Robert Price
n = 26497 27593 digits Nov 2012 PRP Lelio R Paula
y = 5
n = 7 7 digits Prime
n = 11 11 digits Prime
n = 181 188 digits Prime
n = 421 438 digits Feb 2007 Prime Alexander Adamchuk
n = 2297 2392 digits Feb 2013 Prime Robert Price
n = 2797 2912 digits Feb 2013 Prime Robert Price
n = 4129 4300 digits Feb 2013 Prime Robert Price
n = 4139 4310 digits Feb 2013 Prime Robert Price
n = 7151 7447 digits Feb 2013 Prime Robert Price
n = 29033 30234 digits Feb 2012 PRP Lelio R Paula
y = 6
n = 5 5 digits Prime
n = 7 7 digits Prime
n = 107 111 digits Prime
n = 383 399 digits Prime
n = 17359 18077 digits Feb 2009 PRP Lelio R Paula
n = 21929 22837 digits Mar 2009 PRP Lelio R Paula
n = 26393 27485 digits PRP
y = 7
n = 7 7 digits Prime
n = 1163 1211 digits Prime
n = 4007 4173 digits Prime
n = 10159 10579 digits Feb 2008 PRP Lelio R Paula
n = 49279 51319 digits May 2018 PRP Eric Chen
y = 8
n = 3 3 digits Prime
n = 13 14 digits Prime
n = 31 32 digits Prime
n = 59 61 digits Prime
n = 131 136 digits Prime
n = 223 232 digits Prime
n = 227 236 digits Prime
n = 1523 1586 digits Prime
y = 9
n = 3 3 digits Prime
n = 17 18 digits Prime
n = 41 43 digits Prime
n = 43 45 digits Prime
n = 59 62 digits Prime
n = 83 87 digits Prime
y = 10
n = 53 56 digits Prime
n = 421 439 digits Apr 2013 Prime Robert Price
n = 647 674 digits Apr 2013 Prime Robert Price
n = 1601 1668 digits Apr 2013 Prime Robert Price
n = 35527 36998 digits Mar 2012 PRP Lelio R Paula
x = 12
y = 5
n = 3 3 digits Prime
n = 5 5 digits Prime
n = 13 14 digits Prime
n = 347 374 digits Feb 2007 Prime Alexander Adamchuk
n = 977 1054 digits Feb 2007 Prime Alexander Adamchuk
n = 1091 1177 digits Feb 2007 Prime Alexander Adamchuk
n = 4861 5246 digits Jun 2012 Prime Harvey P. Dale
n = 4967 5360 digits Jun 2012 Prime Harvey P. Dale
n = 34679 37425 digits May 2013 PRP Robert Price
y = 7
n = 3 3 digits Prime
n = 7 7 digits Prime
n = 67 72 digits Prime
n = 79 85 digits Prime
n = 167 180 digits Prime
n = 953 1028 digits Dec 2015 Prime
n = 1493 1611 digits Dec 2015 Prime
n = 3389 3657 digits May 2017 Prime
n = 4871 5256 digits Sep 2019 Prime
y = 11
n = 47 51 digits Prime
n = 401 433 digits Mar 2013 Prime Robert Price
n = 509 550 digits Mar 2013 Prime Robert Price
n = 8609 9291 digits Mar 2013 PRP Robert Price
x = 13
y = 2
n = 7 7 digits Prime
n = 31 34 digits Prime
n = 103 114 digits Prime
n = 223 248 digits Prime
n = 503 560 digits May 2013 Prime Robert Price
n = 1171 1304 digits May 2013 Prime Robert Price
n = 1973 2197 digits May 2013 Prime Robert Price
n = 4111 4579 digits May 2013 Prime Robert Price
n = 4729 5267 digits May 2013 Prime Robert Price
y = 3
n = 3 3 digits Prime
n = 7 7 digits Prime
n = 127 141 digits Prime
n = 2467 2748 digits Feb 2007 Prime Alexander Adamchuk
n = 3121 3476 digits Aug 2007 Prime Ray G. Opao
n = 34313 38222 digits Apr 2013 PRP Robert Price
y = 4
n = 7 7 digits Prime
n = 11 12 digits Prime
n = 31 34 digits Prime
n = 59 65 digits Prime
n = 73 81 digits Prime
n = 137 152 digits Prime
n = 563 627 digits May 2013 Prime Robert Price
n = 34819 38786 digits May 2013 PRP Robert Price
n = 48751 54305 digits May 2013 PRP Robert Price
n = 73849 82263 digits May 2013 PRP Robert Price
y = 5
n = 13 14 digits Prime
n = 19 21 digits Prime
n = 31 34 digits Prime
n = 359 400 digits Feb 2007 Prime Alexander Adamchuk
n = 487 542 digits Feb 2007 Prime Alexander Adamchuk
n = 757 843 digits Feb 2007 Prime Alexander Adamchuk
n = 761 847 digits Feb 2007 Prime Alexander Adamchuk
n = 1667 1857 digits Feb 2010 Prime Max Alekseyev
n = 2551 2841 digits Feb 2010 Prime Max Alekseyev
n = 3167 3527 digits Feb 2010 Prime Max Alekseyev
n = 6829 7607 digits Feb 2010 Prime Max Alekseyev
y = 6
n = 3 3 digits Prime
n = 59 65 digits Prime
n = 101 112 digits Prime
n = 283 315 digits Prime
n = 647 720 digits Prime
n = 2969 3307 digits Prime
n = 3923 4370 digits PRP
n = 8599 9578 digits Jun 2026 PRP Norman Luhn
y = 7
n = 3 3 digits Prime
n = 31 34 digits Prime
n = 223 248 digits Prime
n = 2543 2832 digits Prime
n = 6833 7611 digits Jun 2026 PRP Norman Luhn
n = 16649 18546 digits Feb 2009 PRP Lelio R Paula
y = 8
n = 17 19 digits Prime
n = 43 48 digits Prime
n = 433 482 digits Prime
n = 587 654 digits Prime
n = 853 950 digits Prime
n = 1171 1304 digits Prime
n = 4637 5165 digits PRP
y = 9
n = 1217 1356 digits Prime
y = 10
n = 3 3 digits Prime
n = 53 59 digits Prime
n = 151 168 digits Prime
n = 571 636 digits Prime
n = 1483 1652 digits Prime
n = 4451 4958 digits PRP
y = 11
n = 7 8 digits Prime
n = 71 79 digits Prime
n = 101 113 digits Prime
n = 353 393 digits Prime
y = 12
n = 3 4 digits Prime
n = 11 13 digits Prime
n = 13 15 digits Prime
n = 43 48 digits Prime
n = 67 75 digits Prime
n = 109 122 digits Prime
n = 15101 16822 digits Mar 2009 PRP Lelio R Paula
n = 43997 49011 digits Apr 2013 PRP Robert Price
x = 14
y = 3
n = 3 3 digits Prime
n = 7 7 digits Prime
n = 71 81 digits Prime
n = 251 287 digits Prime
n = 1429 1637 digits Jan 2008 Prime Ryan S. Propper
n = 2131 2442 digits Jan 2008 Prime Ryan S. Propper
n = 2689 3081 digits Jan 2008 Prime Ryan S. Propper
n = 36683 42043 digits Apr 2013 PRP Robert Price
n = 60763 69642 digits Apr 2013 PRP Robert Price
y = 5
n = 3 3 digits Prime
n = 7 8 digits Prime
n = 17 19 digits Prime
n = 79 90 digits Prime
n = 17477 20030 digits Mar 2009 PRP Lelio R Paula
n = 19319 22142 digits Apr 2009 PRP Lelio R Paula
n = 49549 56789 digits May 2013 PRP Robert Price
y = 9
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 11 12 digits Prime
n = 17 19 digits Prime
n = 61 70 digits Prime
n = 479 549 digits Prime
n = 1619 1855 digits Prime
n = 1997 2289 digits Prime
n = 3527 4042 digits PRP
y = 11
n = 3 3 digits Prime
n = 13 15 digits Prime
n = 71 81 digits Prime
n = 103 118 digits Prime
n = 227 260 digits Prime
n = 2711 3107 digits Prime
y = 13
n = 7 9 digits Prime
n = 13 15 digits Prime
n = 311 357 digits Apr 2013 Prime Robert Price
n = 1637 1877 digits Apr 2013 Prime Robert Price
n = 4363 5001 digits Apr 2013 Prime Robert Price
n = 10433 11958 digits Feb 2008 PRP Richard Fischer
n = 41669 47759 digits Apr 2013 PRP Robert Price
n = 45631 52299 digits Apr 2013 PRP Robert Price
x = 15
y = 2
n = 3 3 digits Prime
n = 67 78 digits Prime
n = 199 233 digits Prime
n = 479 563 digits May 2013 Prime Robert Price
n = 563 662 digits May 2013 Prime Robert Price
n = 2243 2637 digits May 2013 Prime Robert Price
n = 2579 3033 digits May 2013 Prime Robert Price
n = 6599 7760 digits May 2013 Prime Robert Price
n = 7951 9350 digits May 2013 PRP Robert Price
n = 10099 11877 digits Feb 2008 PRP Lelio R Paula
n = 10909 12829 digits Feb 2008 PRP Lelio R Paula
n = 13759 16181 digits Feb 2008 PRP Lelio R Paula
y = 4
n = 3 3 digits Prime
n = 31 36 digits Prime
n = 157 184 digits Prime
n = 239 281 digits Prime
n = 1553 1826 digits Jun 2013 Prime Robert Price
n = 5521 6493 digits Jun 2013 Prime Robert Price
n = 25561 30062 digits Jun 2013 PRP Robert Price
y = 7
n = 5 5 digits Prime
n = 197 231 digits Prime
n = 1373 1614 digits Prime
n = 3413 4014 digits Prime
n = 7789 9160 digits Jun 2026 PRP Norman Luhn
n = 21397 25164 digits Nov 2012 PRP Lelio R Paula
y = 8
n = 17 20 digits Prime
n = 19 22 digits Prime
n = 53 62 digits Prime
n = 457 537 digits Prime
n = 2237 2631 digits Prime
n = 5953 7001 digits Jun 2026 PRP Norman Luhn
n = 12109 14241 digits Feb 2008 PRP Lelio R Paula
n = 14327 16850 digits Apr 2008 PRP Lelio R Paula
y = 11
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 11 13 digits Prime
n = 67 79 digits Prime
n = 79 93 digits Prime
n = 229 269 digits Prime
n = 563 662 digits Prime
n = 691 813 digits Prime
n = 1753 2062 digits Prime
n = 1823 2144 digits Prime
y = 13
n = 3 4 digits Prime
n = 71 84 digits Prime
n = 73 86 digits Prime
n = 197 232 digits Prime
n = 647 761 digits Prime
n = 8263 9718 digits Nov 2024 PRP
n = 9257 10887 digits Feb 2008 PRP Lelio R Paula
y = 14
n = 3 4 digits Prime
n = 127 150 digits Prime
n = 227 267 digits Prime
n = 1009 1187 digits May 2013 Prime Robert Price
n = 1951 2295 digits May 2013 Prime Robert Price
n = 5101 6000 digits May 2013 Prime Robert Price
n = 14011 16479 digits Mar 2009 PRP Lelio R Paula
x = 16
y = 3
n = 5 5 digits Prime
n = 17 20 digits Prime
n = 61 73 digits Prime
n = 673 810 digits Feb 2007 Prime Alexander Adamchuk
n = 919 1106 digits Feb 2013 Prime Alexander Adamchuk
n = 2089 2515 digits Jun 2013 Prime Robert Price
n = 86939 104684 digits Jun 2013 PRP Robert Price
y = 5
n = 31 37 digits Prime
n = 109 131 digits Prime
n = 373 449 digits Jul 2013 Prime Robert Price
n = 409 492 digits Jul 2013 Prime Robert Price
n = 619 745 digits Jul 2013 Prime Robert Price
n = 823 990 digits Jul 2013 Prime Robert Price
n = 1531 1843 digits Jul 2013 Prime Robert Price
n = 6637 7991 digits Jul 2013 Prime Robert Price
n = 70687 85115 digits Jul 2013 PRP Robert Price
y = 7
n = 3 3 digits Prime
n = 107 128 digits Prime
n = 113 136 digits Prime
y = 9
n = 3 3 digits Prime
n = 23 27 digits Prime
n = 3217 3873 digits PRP
n = 10937 13169 digits Feb 2008 PRP Lelio R Paula
y = 11
n = 7 8 digits Prime
n = 181 218 digits Prime
n = 223 268 digits Prime
n = 521 627 digits Prime
n = 853 1027 digits Prime
y = 13
n = 89 107 digits Prime
n = 157 189 digits Prime
y = 15
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 13 16 digits Prime
n = 1439 1733 digits Aug 2013 Prime Robert Price
n = 1669 2010 digits Aug 2013 Prime Robert Price
n = 37691 45385 digits Jul 2013 PRP Jean-Louis Charton
x = 17
y = 2
n = 5 5 digits Prime
n = 7 8 digits Prime
n = 113 138 digits Prime
n = 193 237 digits Prime
n = 211 259 digits Prime
n = 701 862 digits Jul 2013 Prime Robert Price
n = 797 980 digits Jul 2013 Prime Robert Price
n = 907 1115 digits Jul 2013 Prime Robert Price
n = 4153 5109 digits Jul 2013 Prime Robert Price
y = 3
n = 37 45 digits Prime
n = 641 788 digits Aug 2013 Prime Robert Price
n = 2521 3101 digits Aug 2013 Prime Robert Price
n = 7993 9834 digits Aug 2013 PRP Robert Price
n = 41213 50710 digits Aug 2013 PRP Robert Price
y = 4
n = 13 15 digits Prime
n = 61 74 digits Prime
n = 67 82 digits Prime
n = 107 131 digits Prime
n = 383 471 digits Aug 2013 Prime Robert Price
n = 647 795 digits Aug 2013 Prime Robert Price
n = 3571 4393 digits Aug 2013 Prime Robert Price
n = 37967 46716 digits Mar 2012 PRP Lelio R Paula
y = 5
n = 3 3 digits Prime
n = 29 35 digits Prime
n = 151 185 digits Prime
n = 2153 2649 digits Jun 2013 Prime Robert Price
n = 5717 7034 digits Jun 2013 Prime Robert Price
n = 9133 11237 digits Feb 2008 PRP Lelio R Paula
n = 9973 12271 digits Feb 2008 PRP Lelio R Paula
n = 79537 97866 digits Jun 2013 PRP Robert Price
y = 6
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 11 13 digits Prime
n = 37 45 digits Jun 2026 Prime Norman Luhn
n = 43 52 digits Jun 2026 Prime Norman Luhn
n = 61 75 digits Jun 2026 Prime Norman Luhn
n = 109 134 digits Jun 2026 Prime Norman Luhn
n = 5419 6667 digits Jun 2026 PRP Norman Luhn
y = 7
n = 353 434 digits Prime
y = 8
n = 23 28 digits Prime
n = 61 75 digits Prime
n = 587 722 digits Prime
y = 9
n = 43 53 digits Prime
n = 167 205 digits Prime
y = 10
n = 11 13 digits Prime
n = 17 21 digits Prime
n = 31 38 digits Prime
n = 71 87 digits Prime
n = 109 134 digits Prime
n = 193 237 digits Prime
n = 2671 3286 digits Jan 2022 Prime
n = 2927 3601 digits Jan 2022 PRP
n = 12511 15394 digits Feb 2008 PRP Lelio R Paula
n = 16903 20798 digits Mar 2009 PRP Lelio R Paula
y = 11
n = 3 3 digits Prime
n = 2143 2637 digits Jun 2022 Prime
n = 9221 11346 digits Feb 2008 PRP Lelio R Paula
n = 13669 16819 digits Feb 2009 PRP Lelio R Paula
y = 12
n = 3 3 digits Prime
n = 19 23 digits Prime
n = 647 796 digits Prime
n = 2551 3139 digits Prime
n = 15299 18824 digits Apr 2009 PRP Lelio R Paula
y = 13
n = 7 9 digits Prime
n = 19 23 digits Prime
n = 4363 5368 digits Jan 2022 PRP
y = 14
n = 11 14 digits Prime
n = 17 21 digits Prime
n = 37 46 digits Prime
n = 907 1116 digits Jan 2022 Prime
n = 1009 1242 digits Jan 2022 Prime
n = 1319 1623 digits Jan 2022 Prime
n = 1669 2054 digits Jan 2022 Prime
y = 15
n = 17 21 digits Prime
n = 59 73 digits Prime
n = 83 102 digits Prime
n = 223 275 digits Prime
n = 2089 2571 digits Jan 2022 Prime
n = 5569 6853 digits Nov 2024 PRP
y = 16
n = 41 51 digits Prime
n = 97 120 digits Prime
n = 1459 1796 digits Aug 2013 Prime Robert Price
n = 89227 109790 digits Aug 2013 PRP Robert Price
n = 91837 113001 digits Aug 2013 PRP Robert Price
x = 18
y = 5
n = 61 76 digits Prime
n = 227 284 digits Prime
n = 233 292 digits Prime
n = 239 299 digits Aug 2013 Prime Robert Price
n = 613 769 digits Aug 2013 Prime Robert Price
n = 2213 2777 digits Aug 2013 Prime Robert Price
n = 7507 9423 digits Aug 2013 PRP Robert Price
n = 13691 17185 digits Mar 2008 PRP Lelio R Paula
y = 7
n = 7 8 digits Prime
n = 13 16 digits Prime
y = 11
n = 8017 10063 digits Feb 2008 PRP Lelio R Paula
y = 13
n = 5 6 digits Prime
y = 17
n = 3 4 digits Prime
n = 47 59 digits Prime
n = 53 67 digits Prime
n = 2411 3027 digits Jul 2013 Prime Jean-Louis Charton
n = 4057 5093 digits Jul 2013 Prime Jean-Louis Charton
n = 7963 9996 digits Jul 2013 PRP Jean-Louis Charton
n = 10273 12896 digits Feb 2008 PRP Richard Fischer
n = 15737 19755 digits Apr 2009 PRP Lelio R Paula
n = 53299 66905 digits Aug 2013 PRP Robert Price
x = 19
y = 2
n = 5 6 digits Prime
n = 13 16 digits Prime
n = 41 52 digits Prime
n = 43 54 digits Prime
n = 83 105 digits Prime
n = 139 177 digits Prime
n = 557 712 digits Sep 2013 Prime Robert Price
n = 863 1103 digits Sep 2013 Prime Robert Price
n = 1051 1343 digits Sep 2013 Prime Robert Price
n = 4003 5118 digits Sep 2013 Prime Robert Price
y = 3
n = 3 3 digits Prime
n = 61 77 digits Prime
n = 71 90 digits Prime
n = 109 139 digits Prime
n = 9497 12144 digits Feb 2008 PRP Lelio R Paula
n = 36007 46043 digits Jul 2013 PRP Robert Price
n = 50461 64526 digits Jul 2013 PRP Robert Price
n = 66919 85572 digits Jul 2013 PRP Robert Price
y = 4
n = 7 8 digits Prime
n = 11 13 digits Prime
n = 211 269 digits Prime
n = 14461 18491 digits Apr 2008 PRP Lelio R Paula
y = 5
n = 11 13 digits Prime
n = 37 47 digits Prime
n = 107 136 digits Prime
n = 181 231 digits Prime
n = 449 574 digits Sep 2013 Prime Robert Price
n = 457 584 digits Sep 2013 Prime Robert Price
n = 3583 4581 digits Sep 2013 Prime Robert Price
n = 9133 11678 digits Feb 2008 PRP Lelio R Paula
n = 10139 12965 digits Feb 2008 PRP Lelio R Paula
n = 99689 127477 digits Sep 2013 PRP Robert Price
y = 6
n = 3 3 digits Prime
y = 7
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 11 13 digits Prime
n = 10337 13218 digits Feb 2008 PRP Lelio R Paula
y = 8
n = 5 6 digits Prime
y = 9
n = 3 3 digits Prime
y = 10
n = 3 3 digits Prime
n = 19 24 digits Prime
n = 16301 20845 digits Apr 2009 PRP Lelio R Paula
y = 11
n = 13 16 digits Prime
n = 19 24 digits Prime
n = 15077 19279 digits Feb 2009 PRP Lelio R Paula
y = 12
n = 3 3 digits Prime
n = 19 24 digits Prime
y = 13
n = 3 4 digits Prime
n = 13709 17530 digits Mar 2009 PRP Lelio R Paula
y = 14
n = 5 6 digits Prime
n = 7 9 digits Prime
n = 13469 17223 digits Mar 2009 PRP Lelio R Paula
y = 15
n = 9431 12060 digits Feb 2008 PRP Lelio R Paula
n = 14753 18865 digits Mar 2009 PRP Lelio R Paula
y = 16
n = 3 4 digits Prime
n = 13 17 digits Prime
y = 17
n = 11 14 digits Prime
n = 17 22 digits Prime
y = 18
n = 5 7 digits Prime
n = 223 286 digits Prime
n = 311 398 digits Aug 2013 Prime Robert Price
n = 54547 69753 digits Aug 2013 PRP Robert Price
x = 20
y = 3
n = 3 3 digits Prime
n = 19 24 digits Prime
n = 271 352 digits Feb 2008 Prime Lelio R. Paula
n = 577 750 digits Feb 2008 Prime Lelio R. Paula
n = 977 1270 digits Feb 2008 Prime Lelio R. Paula
n = 1871 2433 digits Feb 2008 Prime Lelio R. Paula
n = 8647 11249 digits Feb 2008 PRP Lelio R Paula
n = 9479 12332 digits Feb 2008 PRP Lelio R Paula
n = 34759 45222 digits Feb 2008 PRP Lelio R. Paula
n = 44959 58492 digits Jan 2025 PRP Robert Price
n = 63149 82158 digits Jan 2025 PRP Robert Price
y = 7
n = 7 8 digits Prime
n = 13 16 digits Prime
y = 9
n = 13 16 digits Prime
y = 11
n = 5 6 digits Prime
n = 7 9 digits Prime
n = 13 16 digits Prime
n = 9521 12387 digits Feb 2008 PRP Lelio R Paula
n = 15313 19922 digits Apr 2009 PRP Lelio R Paula
y = 13
n = 7841 10201 digits Feb 2008 PRP Lelio R Paula
n = 18803 24463 digits Mar 2012 PRP Lelio R Paula
y = 17
n = 3 4 digits Prime
n = 7 9 digits Prime
y = 19
n = 11 15 digits Prime
n = 97 127 digits Prime
n = 433 564 digits Sep 2025 Prime Robert Price
n = 5737 7465 digits Sep 2025 PRP Robert Price
n = 17137 22296 digits Mar 2012 PRP Lelio R Paula
n = 86027 111924 digits Sep 2025 PRP Robert Price
x = 21
y = 2
n = 11 14 digits Prime
n = 17 22 digits Prime
n = 47 61 digits Prime
n = 2663 3520 digits Nov 2024 PRP Robert Price
y = 4
n = 3 3 digits Prime
n = 97 128 digits Prime
n = 251 331 digits Feb 2012 Prime Lelio R. Paula
n = 421 556 digits Feb 2012 Prime Lelio R. Paula
n = 1303 1722 digits Feb 2012 Prime Lelio R. Paula
n = 1637 2164 digits Feb 2012 Prime Lelio R. Paula
n = 19571 25876 digits Feb 2012 PRP Lelio R Paula
y = 5
n = 73 96 digits Prime
n = 89 117 digits Prime
n = 97 128 digits Prime
n = 7673 10145 digits Feb 2008 PRP Lelio R Paula
n = 7951 10512 digits Feb 2008 PRP Lelio R Paula
n = 12539 16579 digits Feb 2008 PRP Lelio R Paula
y = 8
n = 3 3 digits Prime
n = 5 6 digits Prime
y = 10
n = 3 3 digits Prime
y = 11
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 7 9 digits Prime
n = 13 17 digits Prime
n = 8563 11322 digits Feb 2008 PRP Lelio R Paula
y = 13
n = 3 4 digits Prime
n = 5 6 digits Prime
y = 16
n = 7 9 digits Prime
n = 19 25 digits Prime
n = 9619 12718 digits Feb 2008 PRP Lelio R Paula
y = 17
n = 3 4 digits Prime
n = 7 9 digits Prime
n = 15731 20800 digits Apr 2009 PRP Lelio R Paula
y = 19
n = 7 9 digits Prime
n = 11 15 digits Prime
n = 9403 12433 digits Feb 2008 PRP Lelio R Paula
y = 20
n = 3 4 digits Prime
x = 22
y = 3
n = 2617 3512 digits Aug 2025 Prime Robert Price
n = 3739 5019 digits Aug 2025 Prime Robert Price
n = 14207 19071 digits Mar 2009 PRP Lelio R Paula
n = 43789 58783 digits Aug 2025 PRP Robert Price
y = 7
n = 3 3 digits Prime
n = 7 9 digits Prime
n = 13 17 digits Prime
y = 9
n = 3 3 digits Prime
n = 5 6 digits Prime
y = 13
n = 3 4 digits Prime
n = 8839 11865 digits Feb 2008 PRP Lelio R Paula
y = 15
n = 3 4 digits Prime
n = 5 6 digits Prime
n = 11 14 digits Prime
n = 17 22 digits Prime
n = 17117 22978 digits Mar 2012 PRP Lelio R Paula
y = 17
n = 7 9 digits Prime
n = 13469 18081 digits Mar 2009 PRP Lelio R Paula
y = 19
n = 11 15 digits Prime
y = 21
n = 3 5 digits Prime
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 13 18 digits Prime
n = 17 23 digits Prime
x = 23
y = 2
n = 3 3 digits Prime
n = 19 25 digits Prime
n = 61 82 digits Prime
n = 97 131 digits Prime
n = 397 540 digits Nov 24 Prime Robert Price
n = 1511 2057 digits Nov 24 Prime Robert Price
y = 3
n = 1153 1569 digits May 2015 Prime
y = 4
n = 12101 16477 digits Feb 2008 PRP Lelio R Paula
y = 5
n = 3 3 digits Prime
n = 5 6 digits Prime
y = 6
n = 7 9 digits Prime
n = 14549 19811 digits Mar 2009 PRP Lelio R Paula
y = 7
n = 7 9 digits Prime
y = 8
n = 3 3 digits Prime
n = 7 9 digits Prime
n = 13 17 digits Prime
n = 11257 15328 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 5 6 digits Prime
n = 19 25 digits Prime
y = 10
n = 7 9 digits Prime
n = 13 17 digits Prime
n = 19 25 digits Prime
n = 23 31 digits Prime
n = 11173 15214 digits Feb 2008 PRP Lelio R Paula
y = 11
n = 3 4 digits Prime
n = 7 9 digits Prime
n = 11 14 digits Prime
y = 12
n = 3 4 digits Prime
n = 17 23 digits Prime
n = 19 25 digits Prime
y = 13
n = 9623 13103 digits Feb 2008 PRP Lelio R Paula
y = 14
n = 5 6 digits Prime
n = 7 9 digits Prime
n = 11 15 digits Prime
n = 8117 11053 digits Feb 2008 PRP Lelio R Paula
y = 15
n = 3 4 digits Prime
n = 5 6 digits Prime
n = 23 31 digits Prime
n = 8419 11464 digits Feb 2008 PRP Lelio R Paula
n = 14537 19795 digits Mar 2009 PRP Lelio R Paula
y = 16
n = 7 9 digits Prime
n = 19 26 digits Prime
y = 17
n = 7 9 digits Prime
n = 13 17 digits Prime
y = 18
n = 3 4 digits Prime
n = 7 9 digits Prime
n = 19 26 digits Prime
n = 12539 17075 digits Mar 2009 PRP Lelio R Paula
y = 19
n = 17 23 digits Prime
n = 19 26 digits Prime
y = 20
n = 5 7 digits Prime
n = 19 26 digits Prime
n = 10753 14643 digits Feb 2008 PRP Lelio R Paula
y = 21
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 19 26 digits Prime
n = 15551 21176 digits Apr 2009 PRP Lelio R Paula
y = 22
n = 11 15 digits Prime
n = 11069 15073 digits Mar 2008 PRP Lelio R Paula
n = 11617 15820 digits Mar 2008 PRP Lelio R Paula
n = 13291 18099 digits Mar 2009 PRP Lelio R Paula
n = 15667 21335 digits Sep 2009 PRP Richard Fischer
x = 24
y = 5
n = 9623 13281 digits Feb 2008 PRP Lelio R Paula
n = 17569 24248 digits Apr 2009 PRP Lelio R Paula
n = 18919 26111 digits Feb 2012 PRP Lelio R Paula
y = 7
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 7393 10203 digits Feb 2008 PRP Lelio R Paula
y = 11
n = 3 4 digits Prime
n = 19 26 digits Prime
y = 13
n = 3 4 digits Prime
n = 5 6 digits Prime
n = 14057 19401 digits Apr 2009 PRP Lelio R Paula
y = 17
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 15377 21223 digits May 2009 PRP Lelio R Paula
y = 19
n = 7 9 digits Prime
n = 9467 13066 digits Feb 2008 PRP Lelio R Paula
y = 23
n = 11 16 digits Prime
n = 9431 13017 digits Feb 2008 PRP Lelio R Paula
x = 25
y = 2
n = 19 26 digits Prime
n = 109 152 digits Prime
n = 967 1351 digits Jan 2025 Prime Robert Price
n = 2143 2995 digits Jan 2025 Prime Robert Price
n = 11471 16035 digits Feb 2008 PRP Lelio R Paula
n = 11939 16689 digits Feb 2008 PRP Lelio R Paula
y = 3
n = 83 115 digits Prime
n = 127 177 digits Prime
n = 349 487 digits Sep 2025 Prime Robert Price
n = 1429 1997 digits Sep 2025 Prime Robert Price
n = 82723 115641 digits Sep 2025 PRP Robert Price
y = 4
n = 3 3 digits Prime
n = 7 9 digits Prime
n = 19 26 digits Prime
y = 7
n = 3 3 digits Prime
n = 23 31 digits Prime
n = 13967 19524 digits Mar 2009 PRP Lelio R Paula
y = 8
n = 5 6 digits Prime
n = 7 9 digits Prime
n = 9439 13194 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 11 15 digits Prime
n = 14107 19720 digits Mar 2009 PRP Lelio R Paula
y = 11
n = 5 6 digits Prime
n = 8689 12146 digits Feb 2008 PRP Lelio R Paula
n = 9677 13527 digits Feb 2008 PRP Lelio R Paula
y = 12
n = 17 23 digits Prime
y = 13
n = 17 23 digits Prime
n = 11059 15459 digits Mar 2008 PRP Lelio R Paula
y = 16
n = 5 7 digits Prime
y = 17
n = 19 26 digits Prime
y = 18
n = 3 4 digits Prime
n = 17 23 digits Prime
y = 19
n = 7 10 digits Prime
y = 21
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 11 15 digits Prime
n = 15823 22120 digits Feb 2012 PRP Lelio R Paula
y = 22
n = 5 7 digits Prime
n = 16267 22740 digits Mar 2012 PRP Lelio R Paula
y = 23
n = 5 7 digits Prime
n = 8839 12357 digits Feb 2008 PRP Lelio R Paula
y = 24
n = 3 5 digits Prime
n = 23 33 digits Prime
x = 26
y = 3
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 137 193 digits Prime
n = 4547 6433 digits Nov 2025 PRP Robert Price
n = 19861 28102 digits Nov 2025 PRP Robert Price
n = 20101 28442 digits Nov 2025 PRP Robert Price
y = 5
n = 3 3 digits Prime
n = 5 6 digits Prime
n = 17 23 digits Prime
y = 7
n = 5 6 digits Prime
y = 9
n = 3 4 digits Prime
y = 11
n = 7229 10228 digits Feb 2008 PRP Lelio R Paula
y = 15
n = 5 7 digits Prime
y = 17
n = 3 4 digits Prime
n = 8731 12354 digits Feb 2008 PRP Lelio R Paula
n = 15263 21596 digits Feb 2012 PRP Lelio R Paula
y = 19
n = 13 18 digits Prime
y = 21
n = 3 4 digits Prime
n = 23 32 digits Prime
n = 14207 20102 digits May 2009 PRP Lelio R Paula
y = 23
n = 3 4 digits Prime
n = 19 27 digits Prime
y = 25
n = 5 8 digits Prime
n = 13 19 digits Prime
n = 7757 10976 digits Apr 2008 PRP Richard Fischer
n = 11161 15793 digits Apr 2008 PRP Richard Fischer
n = 12281 17378 digits Apr 2008 PRP Richard Fischer
x = 27
y = 2
n = 11 15 digits Prime
n = 2297 3287 digits Jan 2025 PRP Robert Price
n = 2707 3874 digits Jan 2025 PRP Robert Price
n = 3187 4561 digits Jan 2025 PRP Robert Price
y = 4
n = 5 6 digits Prime
n = 11 15 digits Prime
n = 9839 14082 digits Feb 2008 PRP Lelio R Paula
n = 38677 55360 digits Jun 2026 PRP Robert Price
y = 5
n = 3 3 digits Prime
n = 7 9 digits Prime
n = 19 26 digits Prime
y = 8
n = 3 4 digits Prime
y = 10
n = 16433 23521 digits Feb 2012 PRP Lelio R Paula
y = 11
n = 5 6 digits Prime
n = 9209 13181 digits Feb 2008 PRP Lelio R Paula
n = 12583 18010 digits Feb 2009 PRP Lelio R Paula
y = 13
n = 3 4 digits Prime
n = 13 18 digits Prime
y = 14
n = 3 4 digits Prime
n = 10487 15010 digits Feb 2008 PRP Lelio R Paula
y = 16
n = 7 9 digits Prime
n = 17 24 digits Prime
n = 23 32 digits Prime
n = 7433 10639 digits Feb 2008 PRP Lelio R Paula
y = 17
n = 13 18 digits Prime
n = 23 32 digits Prime
y = 19
n = 3 4 digits Prime
y = 20
n = 13757 19691 digits Apr 2009 PRP Lelio R Paula
n = 16889 24174 digits Mar 2012 PRP Lelio R Paula
y = 22
n = 3 4 digits Prime
n = 5 7 digits Prime
y = 23
n = 7 10 digits Prime
n = 11 16 digits Prime
n = 11863 16980 digits Mar 2009 PRP Lelio R Paula
y = 25
n = 5 7 digits Prime
n = 23 33 digits Prime
y = 26
n = 11701 16749 digits Mar 2009 PRP Lelio R Paula
x = 28
y = 3
n = 3 3 digits Prime
n = 17 24 digits Prime
n = 443 640 digits Aug 2025 Prime Robert Price
n = 3907 5653 digits Aug 2025 PRP Robert Price
n = 18911 27366 digits Mar 2012 PRP Lelio R Paula
n = 50929 73701 digits Aug 2025 PRP Robert Price
y = 5
n = 13 18 digits Prime
y = 9
n = 3 4 digits Prime
n = 16787 24293 digits Feb 2012 PRP Lelio R Paula
y = 17
n = 23 33 digits Prime
y = 19
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 11807 17086 digits Mar 2009 PRP Lelio R Paula
y = 25
n = 3 4 digits Prime
n = 12073 17472 digits Apr 2009 PRP Lelio R Paula
y = 27
n = 3 5 digits Prime
n = 13 19 digits Prime
n = 17 25 digits Prime
n = 8081 11695 digits Mar 2009 PRP Lelio R Paula
x = 29
y = 2
n = 3 3 digits Prime
n = 7 9 digits Prime
n = 11 15 digits Prime
n = 157 229 digits Prime
n = 1429 2089 digits Dec 2024 Prime Robert Price
n = 2579 3771 digits Dec 2024 PRP Robert Price
n = 11909 17415 digits Feb 2008 PRP Lelio R Paula
y = 3
n = 11 15 digits Prime
n = 181 264 digits Prime
n = 229 334 digits Aug 2025 Prime Robert Price
n = 311 454 digits Aug 2025 Prime Robert Price
n = 701 1024 digits Aug 2025 Prime Robert Price
n = 4493 6570 digits Aug 2025 PRP Robert Price
n = 5233 7652 digits Aug 2025 PRP Robert Price
n = 13879 20296 digits Mar 2009 PRP Lelio R Paula
y = 4
n = 7 9 digits Prime
n = 72047 105360 digits Jun 2026 PRP Robert Price
y = 5
n = 7 9 digits Prime
n = 29 42 digits Prime
y = 6
n = 19 27 digits Prime
y = 7
n = 5 6 digits Prime
n = 7 9 digits Prime
y = 8
n = 3 4 digits Prime
n = 7 9 digits Prime
n = 9829 14373 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 3 4 digits Prime
n = 11 15 digits Prime
y = 10
n = 5 7 digits Prime
n = 17 24 digits Prime
n = 7589 11097 digits Feb 2008 PRP Lelio R Paula
n = 14779 21612 digits Apr 2009 PRP Lelio R Paula
n = 15809 23118 digits Apr 2009 PRP Lelio R Paula
y = 11
n = 3 4 digits Prime
y = 12
n = 13 18 digits Prime
n = 19 27 digits Prime
y = 13
n = 23593 34502 digits Feb 2012 PRP Lelio R Paula
y = 14
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 13 18 digits Prime
n = 19 27 digits Prime
y = 15
n = 3 4 digits Prime
n = 19 27 digits Prime
n = 9227 13493 digits Feb 2008 PRP Lelio R Paula
y = 16
n = 14303 20916 digits Apr 2009 PRP Lelio R Paula
y = 18
n = 3 4 digits Prime
n = 5 7 digits Prime
y = 19
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 11821 17287 digits Feb 2009 PRP Lelio R Paula
y = 20
n = 3 4 digits Prime
n = 23 33 digits Prime
y = 21
n = 3 4 digits Prime
y = 22
n = 5 7 digits Prime
y = 23
n = 7 10 digits Prime
y = 24
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 11 16 digits Prime
n = 13 19 digits Prime
y = 25
n = 19 28 digits Prime
n = 13477 19709 digits Apr 2009 PRP Lelio R Paula
y = 26
n = 23 34 digits Prime
y = 27
n = 3 5 digits Prime
n = 11 16 digits Prime
n = 8369 12239 digits Mar 2009 PRP Lelio R Paula
n = 8761 12812 digits Mar 2009 PRP Lelio R Paula
n = 12823 18753 digits Mar 2009 PRP Lelio R Paula
x = 30
y = 7
n = 3 4 digits Prime
n = 11 15 digits Prime
n = 19 27 digits Prime
y = 11
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 11 15 digits Prime
n = 29 42 digits Prime
y = 17
n = 17 24 digits Prime
y = 19
n = 3 4 digits Prime
n = 19 28 digits Prime
n = 9839 14533 digits Feb 2008 PRP Lelio R Paula
y = 23
n = 3 4 digits Prime
n = 17 25 digits Prime
n = 23 34 digits Prime
y = 29
n = 17 26 digits Prime
x = 31
y = 2
n = 229 341 digits Dec 2024 Prime Robert Price
n = 1429 2130 digits Dec 2024 Prime Robert Price
n = 36083 53812 digits Dec 2024 PRP Robert Price
n = 44089 65752 digits Dec 2024 PRP Robert Price
y = 3
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 313 466 digits Aug 2025 Prime Robert Price
n = 677 1009 digits Aug 2025 Prime Robert Price
y = 4
n = 3 4 digits Prime
y = 6
n = 3 4 digits Prime
n = 11 16 digits Prime
n = 9277 13834 digits Feb 2008 PRP Lelio R Paula
n = 9547 14237 digits Feb 2008 PRP Lelio R Paula
y = 7
n = 7507 11195 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 7457 11120 digits Feb 2008 PRP Lelio R Paula
n = 8597 12820 digits Feb 2008 PRP Lelio R Paula
n = 13103 19540 digits Mar 2009 PRP Lelio R Paula
y = 10
n = 3 4 digits Prime
n = 31 45 digits Prime
n = 14591 21760 digits Apr 2009 PRP Lelio R Paula
y = 11
n = 31 45 digits Prime
y = 12
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 11 16 digits Prime
y = 13
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 9413 14037 digits Feb 2008 PRP Lelio R Paula
n = 13309 19848 digits Mar 2009 PRP Lelio R Paula
y = 15
n = 13 19 digits Prime
n = 11059 16492 digits Mar 2009 PRP Lelio R Paula
y = 16
n = 7 10 digits Prime
n = 17 25 digits Prime
y = 17
n = 7 10 digits Prime
n = 6871 10247 digits Feb 2008 PRP Lelio R Paula
y = 18
n = 3 4 digits Prime
y = 19
n = 3 4 digits Prime
y = 21
n = 3 4 digits Prime
n = 19 28 digits Prime
y = 22
n = 7 10 digits Prime
y = 23
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 29 43 digits Prime
y = 24
n = 13 19 digits Prime
n = 17 25 digits Prime
n = 29 43 digits Prime
y = 25
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 9151 13647 digits Mar 2009 PRP Lelio R Paula
y = 27
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 17 25 digits Prime
y = 28
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 19 28 digits Prime
n = 8231 12275 digits Mar 2009 PRP Lelio R Paula
y = 29
n = 19 29 digits Prime
y = 30
n = 7 11 digits Prime
x = 32
y = 3
n = 3 4 digits Prime
n = 47 70 digits Prime
n = 107 160 digits Prime
n = 157 235 digits Prime
n = 4799 7222 digits Aug 2025 PRP Robert Price
n = 21841 32873 digits Aug 2025 PRP Robert Price
y = 5
n = 104347 157057 digits Dec 2023 PRP Serge Batalov
y = 7
n = 7 10 digits Prime
y = 9
n = 7 10 digits Prime
n = 11 16 digits Prime
n = 13 19 digits Prime
n = 17 25 digits Prime
y = 11
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 13 19 digits Prime
y = 13
n = 7 10 digits Prime
n = 19 28 digits Prime
n = 8389 12626 digits Feb 2008 PRP Lelio R Paula
y = 15
n = 3 4 digits Prime
n = 19 28 digits Prime
y = 17
n = 3 4 digits Prime
n = 23 34 digits Prime
y = 19
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 31 46 digits Prime
y = 21
n = 11839 17819 digits Mar 2009 PRP Lelio R Paula
y = 23
n = 12637 19020 digits Apr 2009 PRP Lelio R Paula
y = 25
n = 7 10 digits Prime
n = 12739 19174 digits Apr 2009 PRP Lelio R Paula
y = 27
n = 11 16 digits Prime
n = 9371 14105 digits Mar 2009 PRP Lelio R Paula
y = 29
n = 3 5 digits Prime
y = 31
n = 13 20 digits Prime
n = 31 47 digits Prime
x = 33
y = 2
n = 47 70 digits Prime
n = 269 407 digits Jul 2025 Prime Robert Price
n = 2287 3472 digits Jul 2025 PRP Robert Price
n = 5059 7681 digits Jul 2025 PRP Robert Price
y = 4
n = 5 7 digits Prime
n = 8867 13464 digits Feb 2008 PRP Lelio R Paula
y = 7
n = 3 4 digits Prime
y = 8
n = 11087 16835 digits Mar 2008 PRP Lelio R Paula
n = 12511 18997 digits Mar 2009 PRP Lelio R Paula
y = 10
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 23 34 digits Prime
y = 13
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 19 28 digits Prime
y = 14
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 13 19 digits Prime
y = 16
n = 31 46 digits Prime
y = 17
n = 7 10 digits Prime
n = 31 46 digits Prime
y = 19
n = 3 4 digits Prime
n = 5 7 digits Prime
y = 20
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 13 19 digits Prime
n = 10453 15872 digits Mar 2009 PRP Lelio R Paula
y = 23
n = 3 4 digits Prime
n = 17 25 digits Prime
y = 26
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 29 44 digits Prime
n = 9547 14497 digits Mar 2009 PRP Lelio R Paula
n = 11447 17382 digits Apr 2009 PRP Lelio R Paula
y = 28
n = 5 7 digits Prime
n = 17 26 digits Prime
n = 11057 16790 digits Feb 2012 PRP Lelio R Paula
y = 29
n = 5 7 digits Prime
n = 13 20 digits Prime
n = 17 26 digits Prime
y = 31
n = 5 8 digits Prime
x = 34
y = 3
n = 3 4 digits Prime
n = 59 89 digits Prime
n = 79 120 digits Prime
n = 113 172 digits Prime
n = 1217 1863 digits Sep 2025 Prime Robert Price
n = 14639 22418 digits Apr 2009 PRP Lelio R Paula
y = 5
n = 11 16 digits Prime
n = 8263 12654 digits Feb 2008 PRP Lelio R Paula
n = 11717 17943 digits Mar 2008 PRP Lelio R Paula
n = 17569 26906 digits Mar 2012 PRP Lelio R Paula
y = 7
n = 3 4 digits Prime
n = 11 16 digits Prime
n = 8731 13370 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 5 7 digits Prime
n = 7 10 digits Prime
y = 11
n = 11 16 digits Prime
n = 13 19 digits Prime
y = 13
n = 3 4 digits Prime
y = 15
n = 19 28 digits Prime
y = 21
n = 3 4 digits Prime
y = 23
n = 5 7 digits Prime
n = 11 16 digits Prime
n = 13 19 digits Prime
y = 25
n = 17 26 digits Prime
y = 27
n = 3 4 digits Prime
n = 5 7 digits Prime
y = 29
n = 9377 14360 digits Feb 2012 PRP Lelio R Paula
y = 31
n = 3 5 digits Prime
n = 7 11 digits Prime
n = 29 44 digits Prime
y = 33
n = 3 5 digits Prime
n = 7 11 digits Prime
n = 17 27 digits Prime
n = 29 45 digits Prime
x = 35
y = 2
n = 5 7 digits Prime
n = 1217 1878 digits Jan 2025 Prime Robert Price
n = 2029 3132 digits Jan 2025 Prime Robert Price
n = 5171 7983 digits Jan 2025 PRP Robert Price
n = 5651 8725 digits Jan 2025 PRP Robert Price
n = 23633 36490 digits Jan 2025 PRP Robert Price
n = 41179 63582 digits Jan 2025 PRP Robert Price
n = 71069 109734 digits Jan 2025 PRP Robert Price
y = 3
n = 3 4 digits Prime
n = 31 47 digits Prime
n = 71 109 digits Prime
n = 941 1452 digits Sep 2025 Prime Robert Price
n = 4637 7159 digits Sep 2025 PRP Robert Price
n = 5237 8085 digits Sep 2025 PRP Robert Price
n = 56923 87892 digits Sep 2025 PRP Robert Price
y = 4
n = 19 28 digits Prime
y = 6
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 31 47 digits Prime
n = 7877 12162 digits Feb 2008 PRP Lelio R Paula
y = 8
n = 3 4 digits Prime
n = 17 25 digits Prime
y = 9
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 29 44 digits Prime
y = 11
n = 5 7 digits Prime
n = 13 19 digits Prime
n = 17 25 digits Prime
y = 13
n = 5 7 digits Prime
n = 11 16 digits Prime
y = 16
n = 14639 22603 digits Apr 2009 PRP Lelio R Paula
y = 17
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 17 25 digits Prime
y = 18
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 11 16 digits Prime
n = 13 19 digits Prime
n = 31 47 digits Prime
y = 19
n = 13 19 digits Prime
y = 22
n = 17 26 digits Prime
n = 29 44 digits Prime
y = 23
n = 11 16 digits Prime
y = 24
n = 5 7 digits Prime
n = 15527 23974 digits Mar 2012 PRP Lelio R Paula
y = 26
n = 3 4 digits Prime
n = 13627 21041 digits Feb 2012 PRP Lelio R Paula
y = 27
n = 3 4 digits Prime
n = 17 26 digits Prime
n = 19 29 digits Prime
y = 29
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 19 29 digits Prime
n = 6967 10757 digits Feb 2012 PRP Lelio R Paula
n = 10639 16427 digits Feb 2012 PRP Lelio R Paula
y = 31
n = 5 8 digits Prime
y = 32
n = 3 5 digits Prime
y = 33
n = 5 8 digits Prime
n = 7 11 digits Prime
x = 36
y = 5
n = 5 7 digits Prime
n = 13 19 digits Prime
n = 19 29 digits Prime
n = 29 44 digits Prime
y = 7
n = 3 4 digits Prime
n = 7741 12046 digits Feb 2008 PRP Lelio R Paula
y = 11
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 23 35 digits Prime
n = 31 47 digits Prime
y = 13
n = 3 4 digits Prime
n = 7001 10895 digits Feb 2008 PRP Lelio R Paula
y = 17
n = 13 19 digits Prime
n = 17 26 digits Prime
n = 19 29 digits Prime
n = 11287 17565 digits Mar 2009 PRP Lelio R Paula
y = 19
n = 13 20 digits Prime
y = 23
n = 3 4 digits Prime
n = 15149 23576 digits Mar 2012 PRP Lelio R Paula
y = 25
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 17 26 digits Prime
y = 29
n = 3 4 digits Prime
n = 17 26 digits Prime
y = 35
n = 17 27 digits Prime
x = 37
y = 2
n = 257 402 digits Prime
n = 2917 4573 digits Jun 2026 PRP Norman Luhn
y = 3
n = 557 872 digits Sep 2025 Prime Robert Price
n = 1097 1719 digits Sep 2025 Prime Robert Price
n = 3931 6164 digits Sep 2025 PRP Robert Price
n = 48751 76450 digits Sep 2025 PRP Robert Price
y = 4
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 13 19 digits Prime
n = 14243 22335 digits Apr 2009 PRP Lelio R Paula
n = 16903 26506 digits Feb 2012 PRP Lelio R Paula
y = 5
n = 11 16 digits Prime
n = 17 26 digits Prime
y = 6
n = 13 19 digits Prime
n = 17 26 digits Prime
n = 37 57 digits Prime
y = 7
n = 7 10 digits Prime
n = 8677 13606 digits Feb 2008 PRP Lelio R Paula
n = 11527 18076 digits Mar 2008 PRP Lelio R Paula
n = 14071 22065 digits Apr 2009 PRP Lelio R Paula
y = 8
n = 7229 11336 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 3 4 digits Prime
n = 13 19 digits Prime
y = 10
n = 11 16 digits Prime
n = 31 48 digits Prime
y = 11
n = 5 7 digits Prime
y = 12
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 13 19 digits Prime
n = 31 48 digits Prime
n = 37 57 digits Prime
y = 13
n = 29 45 digits Prime
n = 15731 24669 digits Feb 2012 PRP Lelio R Paula
y = 14
n = 13 20 digits Prime
n = 23 35 digits Prime
y = 15
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 17 26 digits Prime
y = 16
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 17 26 digits Prime
n = 23 35 digits Prime
n = 31 48 digits Prime
n = 9043 14180 digits Mar 2009 PRP Lelio R Paula
y = 17
n = 14419 22611 digits Apr 2009 PRP Lelio R Paula
y = 18
n = 37 57 digits Prime
y = 19
n = 13 20 digits Prime
y = 20
n = 11 17 digits Prime
y = 21
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 13967 21902 digits May 2009 PRP Lelio R Paula
y = 22
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 13 20 digits Prime
n = 7127 11176 digits Mar 2009 PRP Lelio R Paula
y = 23
n = 11 17 digits Prime
n = 19 29 digits Prime
n = 6709 10520 digits Mar 2009 PRP Lelio R Paula
y = 25
n = 3 4 digits Prime
y = 26
n = 13 20 digits Prime
y = 27
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 8461 13268 digits Feb 2012 PRP Lelio R Paula
y = 28
n = 3 4 digits Prime
y = 29
n = 5 7 digits Prime
n = 7 11 digits Prime
n = 13 20 digits Prime
n = 17 26 digits Prime
y = 30
n = 7 11 digits Prime
y = 31
n = 31 48 digits Prime
y = 32
n = 29 45 digits Prime
y = 33
n = 3 5 digits Prime
y = 34
n = 5 8 digits Prime
n = 37 58 digits Prime
y = 36
n = 5 8 digits Prime
n = 14951 23447 digits Apr 2015 PRP Richard Fischer
x = 38
y = 3
n = 19 29 digits Prime
n = 151 238 digits Prime
n = 167 263 digits Prime
n = 4049 6395 digits Sep 2025 PRP Robert Price
n = 4283 6765 digits Sep 2025 PRP Robert Price
y = 5
n = 3 4 digits Prime
y = 7
n = 16747 26456 digits Mar 2012 PRP Lelio R Paula
y = 9
n = 5 7 digits Prime
n = 13 20 digits Prime
n = 23 35 digits Prime
n = 9733 15375 digits Feb 2008 PRP Lelio R Paula
y = 11
n = 5 7 digits Prime
n = 23 35 digits Prime
y = 13
n = 31 48 digits Prime
n = 37 58 digits Prime
y = 15
n = 5 7 digits Prime
y = 17
n = 3 4 digits Prime
n = 11273 17808 digits Mar 2009 PRP Lelio R Paula
y = 21
n = 3 4 digits Prime
y = 23
n = 13 20 digits Prime
n = 23 36 digits Prime
y = 25
n = 5 7 digits Prime
n = 13 20 digits Prime
n = 17 26 digits Prime
y = 27
n = 17 26 digits Prime
y = 31
n = 31 49 digits Prime
y = 33
n = 3 5 digits Prime
n = 17 27 digits Prime
n = 29 46 digits Prime
y = 35
n = 7 11 digits Prime
y = 37
n = 17 27 digits Prime
x = 39
y = 2
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 19 29 digits Prime
n = 2543 4045 digits Dec 2024 PRP Robert Price
n = 4691 7463 digits Dec 2024 PRP Robert Price
n = 14669 23338 digits Apr 2009 PRP Lelio R Paula
n = 19819 31532 digits Dec 2024 PRP Robert Price
n = 53891 85743 digits Dec 2024 PRP Robert Price
n = 83137 132275 digits Dec 2024 PRP Robert Price
y = 4
n = 3 4 digits Prime
n = 7 10 digits Prime
y = 5
n = 5 7 digits Prime
y = 7
n = 3 4 digits Prime
n = 7 10 digits Prime
y = 8
n = 5 7 digits Prime
n = 7 10 digits Prime
y = 10
n = 3 4 digits Prime
n = 19 29 digits Prime
n = 23 36 digits Prime
y = 11
n = 3 4 digits Prime
n = 17 26 digits Prime
y = 14
n = 3 4 digits Prime
n = 37 58 digits Prime
y = 16
n = 3 4 digits Prime
n = 13 20 digits Prime
n = 37 58 digits Prime
y = 17
n = 5 7 digits Prime
y = 19
n = 19 29 digits Prime
y = 20
n = 31 49 digits Prime
n = 8737 13900 digits Mar 2009 PRP Lelio R Paula
y = 22
n = 5 7 digits Prime
n = 19 29 digits Prime
y = 23
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 19037 30288 digits Mar 2012 PRP Lelio R Paula
y = 25
n = 3 4 digits Prime
n = 6803 10823 digits Feb 2012 PRP Lelio R Paula
y = 28
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 13 20 digits Prime
y = 29
n = 3 4 digits Prime
n = 7 11 digits Prime
y = 31
n = 31 49 digits Prime
y = 32
n = 3 4 digits Prime
y = 34
n = 7 11 digits Prime
y = 35
n = 3 5 digits Prime
n = 11 17 digits Prime
n = 31 49 digits Prime
y = 37
n = 3 5 digits Prime
y = 38
n = 3 5 digits Prime
n = 5 8 digits Prime
n = 13 21 digits Prime
x = 40
y = 3
n = 3 4 digits Prime
n = 17 26 digits Prime
n = 439 702 digits Sep 2025 Prime Robert Price
n = 2027 3246 digits Sep 2025 PRP Robert Price
n = 2029 3250 digits Sep 2025 PRP Robert Price
n = 17443 27944 digits Sep 2025 PRP Robert Price
n = 38629 61885 digits Sep 2025 PRP Robert Price
y = 9
n = 3 4 digits Prime
y = 11
n = 11 17 digits Prime
n = 29 45 digits Prime
y = 13
n = 3 4 digits Prime
n = 13 20 digits Prime
n = 19 30 digits Prime
n = 23 36 digits Prime
y = 17
n = 5 7 digits Prime
y = 19
n = 3 4 digits Prime
n = 13 20 digits Prime
n = 17 26 digits Prime
y = 21
n = 3 4 digits Prime
n = 13 20 digits Prime
y = 23
n = 13 20 digits Prime
y = 27
n = 3 4 digits Prime
n = 13 20 digits Prime
y = 29
n = 5 7 digits Prime
y = 31
n = 3 4 digits Prime
n = 13 20 digits Prime
y = 33
n = 11 17 digits Prime
n = 13 20 digits Prime
y = 37
n = 3 5 digits Prime
y = 39
n = 5 9 digits Prime
n = 19 31 digits Prime
n = 14449 23149 digits Apr 2015 PRP Richard Fischer
x = 41
y = 2
n = 19 30 digits Prime
n = 61 97 digits Prime
y = 3
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 307 494 digits Sep 2025 Prime Robert Price
n = 4999 8061 digits Sep 2025 PRP Robert Price
y = 4
n = 41 65 digits Prime
n = 6361 10258 digits Feb 2008 PRP Lelio R Paula
y = 5
n = 7 10 digits Prime
n = 37 59 digits Prime
n = 9043 14583 digits Feb 2008 PRP Lelio R Paula
y = 6
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 14293 23050 digits May 2009 PRP Lelio R Paula
y = 7
n = 5 7 digits Prime
n = 17 26 digits Prime
n = 29 46 digits Prime
y = 8
n = 17 26 digits Prime
n = 8737 14090 digits Feb 2008 PRP Lelio R Paula
y = 9
n = 11 17 digits Prime
y = 10
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 19 30 digits Prime
y = 11
n = 17 26 digits Prime
y = 12
n = 7 10 digits Prime
y = 14
n = 3 4 digits Prime
n = 19 30 digits Prime
y = 15
n = 3 4 digits Prime
n = 9839 15867 digits Mar 2009 PRP Lelio R Paula
y = 16
n = 7 10 digits Prime
n = 41 65 digits Prime
n = 10753 17341 digits Mar 2009 PRP Lelio R Paula
y = 17
n = 7 10 digits Prime
n = 41 65 digits Prime
y = 18
n = 5 7 digits Prime
n = 7 10 digits Prime
n = 17 27 digits Prime
n = 29 46 digits Prime
n = 11119 17932 digits Apr 2009 PRP Lelio R Paula
y = 19
n = 7793 12568 digits Mar 2009 PRP Lelio R Paula
n = 10771 17370 digits Mar 2009 PRP Lelio R Paula
y = 21
n = 5 7 digits Prime
n = 19 30 digits Prime
y = 22
n = 14327 23106 digits Feb 2012 PRP Lelio R Paula
y = 23
n = 7 11 digits Prime
n = 7283 11745 digits Feb 2012 PRP Lelio R Paula
n = 7417 11961 digits Feb 2012 PRP Lelio R Paula
y = 24
n = 7 11 digits Prime
y = 26
n = 3 4 digits Prime
n = 7 11 digits Prime
y = 27
n = 3 4 digits Prime
n = 19 30 digits Prime
y = 28
n = 5 7 digits Prime
y = 29
n = 29 46 digits Prime
y = 30
n = 7 11 digits Prime
y = 31
n = 11 17 digits Prime
y = 32
n = 5 8 digits Prime
y = 33
n = 5 8 digits Prime
y = 34
n = 37 59 digits Prime
y = 35
n = 3 5 digits Prime
n = 5 8 digits Prime
y = 36
n = 5 8 digits Prime
y = 38
n = 3 5 digits Prime
n = 17 27 digits Prime
y = 39
n = 11 18 digits Prime
n = 13 21 digits Prime
n = 19 31 digits Prime
x = 42
y = 5
n = 3 4 digits Prime
y = 11
n = 3 4 digits Prime
y = 17
n = 7 10 digits Prime
n = 6329 10273 digits Sep 2008 PRP Lelio R Paula
y = 19
n = 3 4 digits Prime
n = 11 17 digits Prime
n = 6803 11042 digits Feb 2012 PRP Lelio R Paula
y = 23
n = 3 4 digits Prime
y = 29
n = 7 11 digits Prime
y = 31
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 19 30 digits Prime
y = 37
n = 3 5 digits Prime
n = 17 27 digits Prime
n = 29 47 digits Prime
y = 41
n = 3 5 digits Prime
n = 17 28 digits Prime
n = 19 31 digits Prime
n = 41 67 digits Prime
x = 43
y = 2
n = 31 50 digits Prime
n = 41 66 digits Prime
n = 61 99 digits Prime
n = 599 977 digits Feb 2025 Prime Robert Price
n = 1231 2010 digits Feb 2025 Prime Robert Price
n = 1249 2039 digits Feb 2025 Prime Robert Price
n = 35671 58266 digits Feb 2025 PRP Robert Price
y = 3
n = 7 10 digits Prime
n = 19 30 digits Prime
n = 181 295 digits Prime
n = 593 968 digits Oct 2025 Prime Robert Price
n = 1117 1823 digits Oct 2025 Prime Robert Price
y = 4
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 6427 10497 digits Feb 2008 PRP Lelio R Paula
n = 6827 11151 digits Feb 2008 PRP Lelio R Paula
y = 5
n = 11 17 digits Prime
n = 41 66 digits Prime
n = 6899 11268 digits Feb 2008 PRP Lelio R Paula
y = 6
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 13 20 digits Prime
n = 19 30 digits Prime
y = 7
n = 3 4 digits Prime
n = 13 20 digits Prime
n = 17 27 digits Prime
n = 19 30 digits Prime
n = 8627 14091 digits Feb 2008 PRP Lelio R Paula
y = 8
n = 29 46 digits Prime
y = 9
n = 3 4 digits Prime
n = 7 10 digits Prime
n = 37 59 digits Prime
y = 10
n = 23 37 digits Prime
n = 10651 17397 digits Mar 2009 PRP Lelio R Paula
y = 11
n = 5 7 digits Prime
n = 7 10 digits Prime
y = 13
n = 3 4 digits Prime
n = 17 27 digits Prime
y = 14
n = 7 10 digits Prime
y = 15
n = 3 4 digits Prime
n = 7 10 digits Prime
y = 17
n = 7 11 digits Prime
n = 11 17 digits Prime
y = 18
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 9337 15251 digits Feb 2012 PRP Lelio R Paula
y = 19
n = 5 7 digits Prime
y = 20
n = 17 27 digits Prime
y = 21
n = 13 20 digits Prime
y = 22
n = 7 11 digits Prime
n = 23 37 digits Prime
y = 23
n = 19 30 digits Prime
n = 31 50 digits Prime
y = 24
n = 7 11 digits Prime
y = 25
n = 3 4 digits Prime
y = 26
n = 11 17 digits Prime
y = 28
n = 3 4 digits Prime
n = 19 30 digits Prime
n = 43 70 digits Prime
y = 29
n = 5 8 digits Prime
y = 30
n = 3 4 digits Prime
y = 31
n = 7 11 digits Prime
y = 32
n = 19 30 digits Prime
y = 34
n = 3 4 digits Prime
n = 13 21 digits Prime
y = 35
n = 5 8 digits Prime
n = 19 31 digits Prime
y = 36
n = 3 5 digits Prime
n = 7 11 digits Prime
y = 37
n = 3 5 digits Prime
n = 19 31 digits Prime
n = 31 50 digits Prime
y = 39
n = 3 5 digits Prime
n = 5 8 digits Prime
y = 41
n = 13 21 digits Prime
n = 23 38 digits Prime
y = 42
n = 11 18 digits Prime
n = 43 71 digits Prime
x = 44
y = 3
n = 1847 3034 digits Nov 2015 Prime Richard Dickerson
n = 14653 24080 digits May 2009 PRP Lelio R Paula
n = 40031 65788 digits Oct 2025 PRP Robert Price
y = 5
n = 3 4 digits Prime
n = 14411 23683 digits May 2009 PRP Lelio R Paula
y = 7
n = 7 10 digits Prime
y = 9
n = 3 4 digits Prime
n = 7 10 digits Prime
y = 13
n = 5 7 digits Prime
y = 15
n = 5 7 digits Prime
n = 7 11 digits Prime
n = 31 50 digits Prime
y = 17
n = 5 7 digits Prime
n = 17 27 digits Prime
n = 43 70 digits Prime
y = 19
n = 23 37 digits Prime
n = 43 70 digits Prime
y = 21
n = 3 4 digits Prime
y = 23
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 19 30 digits Prime
y = 25
n = 7 11 digits Prime
n = 19 30 digits Prime
y = 27
n = 5 7 digits Prime
y = 29
n = 19 31 digits Prime
n = 23 37 digits Prime
y = 35
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 17 27 digits Prime
y = 37
n = 7 11 digits Prime
y = 39
n = 3 5 digits Prime
n = 5 8 digits Prime
y = 41
n = 13 21 digits Prime
n = 43 71 digits Prime
y = 43
n = 78697 129335 digits Nov 2023 PRP Aurel Gibier
x = 45
y = 2
n = 17 27 digits Prime
n = 281 463 digits Jan 2025 Prime Robert Price
n = 463 764 digits Jan 2025 Prime Robert Price
n = 5393 8915 digits Jan 2025 PRP Robert Price
n = 12809 21175 digits Apr 2009 PRP Lelio R Paula
n = 19031 31461 digits Jan 2025 PRP Robert Price
n = 53173 87905 digits Jan 2025 PRP Robert Price
y = 4
n = 3 4 digits Prime
n = 11933 19727 digits Mar 2009 PRP Lelio R Paula
y = 7
n = 3 4 digits Prime
n = 15541 25691 digits Feb 2012 PRP Lelio R Paula
y = 8
n = 11083 18321 digits Mar 2009 PRP Lelio R Paula
y = 11
n = 12497 20659 digits Mar 2009 PRP Lelio R Paula
y = 13
n = 3 4 digits Prime
n = 7 11 digits Prime
y = 16
n = 13 21 digits Prime
n = 10771 17806 digits Feb 2012 PRP Lelio R Paula
y = 17
n = 3 4 digits Prime
n = 7 11 digits Prime
y = 19
n = 3 4 digits Prime
n = 23 37 digits Prime
n = 29 47 digits Prime
n = 14153 23397 digits Feb 2012 PRP Lelio R Paula
y = 22
n = 29 47 digits Prime
y = 23
n = 5 7 digits Prime
y = 26
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 7 11 digits Prime
y = 28
n = 3 4 digits Prime
n = 19 31 digits Prime
n = 31 51 digits Prime
y = 29
n = 7 11 digits Prime
y = 32
n = 3 4 digits Prime
y = 34
n = 19 31 digits Prime
y = 37
n = 11 18 digits Prime
n = 17 28 digits Prime
y = 38
n = 3 5 digits Prime
y = 41
n = 3 5 digits Prime
n = 37 61 digits Prime
y = 43
n = 7 12 digits Prime
y = 44
n = 5 9 digits Prime
n = 43 72 digits Prime
x = 46
y = 3
n = 3 4 digits Prime
n = 6037 10037 digits Feb 2008 PRP Lelio R Paula
y = 5
n = 13 21 digits Prime
y = 7
n = 7 11 digits Prime
n = 12647 21028 digits Apr 2009 PRP Lelio R Paula
y = 9
n = 3 4 digits Prime
n = 7 11 digits Prime
y = 11
n = 45281 75290 digits Dec 2016 PRP Serge Batalov
y = 15
n = 6373 10596 digits Feb 2012 PRP Lelio R Paula
y = 17
n = 5 7 digits Prime
y = 19
n = 29 47 digits Prime
y = 21
n = 5 7 digits Prime
n = 7 11 digits Prime
n = 13 21 digits Prime
y = 25
n = 7 11 digits Prime
n = 11 17 digits Prime
y = 31
n = 5 8 digits Prime
n = 17 28 digits Prime
y = 33
n = 23 38 digits Prime
y = 35
n = 23 38 digits Prime
y = 37
n = 3 5 digits Prime
y = 39
n = 31 51 digits Prime
y = 43
n = 3 5 digits Prime
n = 7 12 digits Prime
y = 45
n = 17 29 digits Prime
x = 47
y = 2
n = 11 17 digits Prime
n = 13 21 digits Prime
n = 103 171 digits Prime
n = 15383 25721 digits Feb 2012 PRP Lelio R Paula
y = 3
n = 631 1054 digits Nov 2025 Prime Robert Price
n = 3271 5468 digits Nov 2025 PRP Robert Price
n = 30853 51588 digits Nov 2025 PRP Robert Price
n = 46441 77653 digits Nov 2025 PRP Robert Price
y = 5
n = 3 4 digits Prime
y = 6
n = 7 11 digits Prime
n = 11 17 digits Prime
n = 10331 17273 digits Mar 2009 PRP Lelio R Paula
n = 12721 21270 digits Apr 2009 PRP Lelio R Paula
y = 7
n = 7069 11819 digits Mar 2009 PRP Lelio R Paula
n = 11987 20042 digits Mar 2009 PRP Lelio R Paula
y = 8
n = 19 31 digits Prime
n = 41 67 digits Prime
y = 9
n = 3 4 digits Prime
y = 10
n = 29 47 digits Prime
y = 12
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 13 21 digits Prime
n = 19 31 digits Prime
n = 37 61 digits Prime
n = 11131 18611 digits Apr 2009 PRP Lelio R Paula
y = 13
n = 11 17 digits Prime
n = 17 27 digits Prime
n = 13007 21748 digits Apr 2009 PRP Lelio R Paula
y = 14
n = 3 4 digits Prime
n = 13 21 digits Prime
n = 29 47 digits Prime
y = 16
n = 5 7 digits Prime
n = 13 21 digits Prime
y = 17
n = 3 4 digits Prime
n = 9623 16090 digits Feb 2012 PRP Lelio R Paula
y = 18
n = 7 11 digits Prime
n = 17 27 digits Prime
n = 31 51 digits Prime
y = 19
n = 31 51 digits Prime
y = 20
n = 3 4 digits Prime
n = 5 7 digits Prime
y = 21
n = 3 4 digits Prime
n = 37 61 digits Prime
y = 23
n = 3 4 digits Prime
n = 43 71 digits Prime
y = 24
n = 3 4 digits Prime
n = 29 48 digits Prime
n = 37 61 digits Prime
y = 25
n = 31 51 digits Prime
y = 26
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 19 31 digits Prime
y = 27
n = 3 4 digits Prime
n = 13 21 digits Prime
y = 28
n = 7 11 digits Prime
y = 29
n = 7 11 digits Prime
n = 11 18 digits Prime
y = 30
n = 3 4 digits Prime
n = 13 21 digits Prime
y = 31
n = 5 8 digits Prime
y = 32
n = 41 68 digits Prime
y = 33
n = 3 4 digits Prime
y = 34
n = 31 51 digits Prime
n = 41 68 digits Prime
y = 35
n = 3 4 digits Prime
n = 11 18 digits Prime
y = 36
n = 19 31 digits Prime
y = 38
n = 3 5 digits Prime
n = 23 38 digits Prime
y = 41
n = 5 8 digits Prime
n = 7 11 digits Prime
y = 42
n = 3 5 digits Prime
y = 45
n = 17 29 digits Prime
n = 19 32 digits Prime
n = 31 52 digits Prime
x = 48
y = 5
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 31 51 digits Prime
n = 7349 12354 digits Feb 2009 PRP Lelio R Paula
y = 7
n = 3 4 digits Prime
n = 19 31 digits Prime
n = 31 51 digits Prime
n = 41 68 digits Prime
n = 15101 25387 digits Mar 2012 PRP Lelio R Paula
y = 11
n = 7 11 digits Prime
y = 13
n = 17 28 digits Prime
y = 17
n = 3 4 digits Prime
n = 7 11 digits Prime
y = 19
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 29 48 digits Prime
y = 23
n = 31 51 digits Prime
y = 29
n = 3 4 digits Prime
n = 5 8 digits Prime
n = 43 72 digits Prime
y = 31
n = 3 4 digits Prime
n = 5 8 digits Prime
n = 19 31 digits Prime
n = 41 68 digits Prime
y = 35
n = 7 11 digits Prime
n = 19 31 digits Prime
y = 41
n = 3 5 digits Prime
y = 43
n = 3 5 digits Prime
y = 47
n = 13 22 digits Prime
n = 31 53 digits Prime
x = 49
y = 2
n = 13 21 digits Prime
n = 307 518 digits Jun 2025 Prime Robert Price
n = 1187 2005 digits Jun 2025 Prime Robert Price
n = 9241 15618 digits Jun 2025 PRP Robert Price
n = 94321 159420 digits Jun 2025 PRP Robert Price
y = 3
n = 5 7 digits Prime
n = 23 38 digits Prime
n = 109 183 digits Prime
n = 2797 4726 digits Jun 2026 PRP Norman Luhn
n = 11287 19076 digits Mar 2009 PRP Lelio R Paula
y = 4
n = 3 4 digits Prime
n = 5 7 digits Prime
n = 31 51 digits Prime
n = 9011 15229 digits Mar 2009 PRP Lelio R Paula
y = 5
n = 12241 20689 digits Mar 2009 PRP Lelio R Paula
y = 6
n = 3 4 digits Prime
n = 14207 24011 digits Feb 2012 PRP Lelio R Paula
y = 8
n = 17 28 digits Prime
n = 43 72 digits Prime
n = 15901 26875 digits Mar 2012 PRP Lelio R Paula
y = 9
n = 5 7 digits Prime
n = 23 38 digits Prime
y = 10
n = 3 4 digits Prime
n = 31 51 digits Prime
y = 11
n = 7 11 digits Prime
n = 19 31 digits Prime
y = 12
n = 5 7 digits Prime
n = 11 18 digits Prime
n = 13681 23123 digits Feb 2012 PRP Lelio R Paula
y = 13
n = 3 4 digits Prime
n = 13 21 digits Prime
y = 15
n = 5 7 digits Prime
n = 7 11 digits Prime
n = 12809 21649 digits Feb 2012 PRP Lelio R Paula
n = 13859 23423 digits Feb 2012 PRP Lelio R Paula
y = 16
n = 3 4 digits Prime
n = 41 68 digits Prime
y = 17
n = 7 11 digits Prime
y = 18
n = 7 11 digits Prime
n = 11 18 digits Prime
n = 19 31 digits Prime
y = 19
n = 3 4 digits Prime
y = 20
n = 29 48 digits Prime
n = 47 78 digits Prime
y = 23
n = 7 11 digits Prime
n = 13 21 digits Prime
y = 24
n = 3 4 digits Prime
y = 25
n = 3 4 digits Prime
n = 41 68 digits Prime
y = 26
n = 13 21 digits Prime
n = 31 52 digits Prime
y = 27
n = 13 21 digits Prime
n = 29 48 digits Prime
y = 29
n = 11 18 digits Prime
y = 30
n = 3 4 digits Prime
n = 7 11 digits Prime
n = 13 21 digits Prime
n = 19 31 digits Prime
y = 31
n = 7 11 digits Prime
n = 13 21 digits Prime
y = 32
n = 11 18 digits Prime
y = 33
n = 3 4 digits Prime
n = 5 8 digits Prime
n = 13 21 digits Prime
y = 34
n = 5 8 digits Prime
y = 36
n = 3 4 digits Prime
y = 37
n = 5 8 digits Prime
n = 7 11 digits Prime
n = 41 69 digits Prime
y = 38
n = 5 8 digits Prime
n = 7 11 digits Prime
n = 31 52 digits Prime
n = 37 62 digits Prime
n = 43 72 digits Prime
n = 47 79 digits Prime
y = 39
n = 3 5 digits Prime
y = 40
n = 7 11 digits Prime
n = 31 52 digits Prime
n = 37 62 digits Prime
n = 43 72 digits Prime
y = 41
n = 19 32 digits Prime
y = 43
n = 3 5 digits Prime
y = 44
n = 5 8 digits Prime
n = 19 32 digits Prime
y = 45
n = 3 5 digits Prime
n = 5 8 digits Prime
y = 47
n = 7 12 digits Prime
x = 50
y = 3
n = 43 72 digits Prime
n = 109 184 digits Prime
n = 179 303 digits Prime
n = 239 405 digits Prime
n = 3433 5831 digits Jun 2026 PRP Norman Luhn
y = 7
n = 15187 25801 digits Mar 2012 PRP Lelio R Paula
y = 9
n = 3 4 digits Prime
y = 13
n = 31 52 digits Prime
y = 17
n = 17 28 digits Prime
y = 19
n = 5 8 digits Prime
n = 17 28 digits Prime
y = 21
n = 5 8 digits Prime
n = 7 11 digits Prime
y = 23
n = 3 4 digits Prime
n = 19 31 digits Prime
y = 27
n = 3 4 digits Prime
n = 5 8 digits Prime
n = 13 21 digits Prime
n = 31 52 digits Prime
y = 29
n = 7 11 digits Prime
y = 31
n = 17 28 digits Prime
y = 33
n = 17 28 digits Prime
n = 19 32 digits Prime
n = 47 79 digits Prime
y = 39
n = 5 8 digits Prime
y = 41
n = 3 5 digits Prime
n = 5 8 digits Prime
n = 11 18 digits Prime
y = 43
n = 56099 95310 digits Dec 2016 PRP Serge Batalov
y = 47
n = 41 70 digits Prime
y = 49
n = 5 9 digits Prime
x = 51
y = 4
n = 9587 16369 digits Mar 2009 PRP Lelio R Paula
y = 5
n = 5981 10212 digits Mar 2009 PRP Lelio R Paula
n = 13151 22455 digits Apr 2009 PRP Lelio R Paula
y = 7
n = 9241 15779 digits Mar 2009 PRP Lelio R Paula
y = 8
n = 13043 22271 digits May 2009 PRP Lelio R Paula
x = 52
y = 5
n = 6719 11529 digits Mar 2009 PRP Lelio R Paula
y = 9
n = 7907 13567 digits Feb 2012 PRP Lelio R Paula
y = 11
n = 10723 18400 digits Feb 2012 PRP Lelio R Paula
x = 53
y = 7
n = 9151 15778 digits Mar 2009 PRP Lelio R Paula
n = 11071 19088 digits Mar 2009 PRP Lelio R Paula
y = 8
n = 10651 18364 digits Feb 2012 PRP Lelio R Paula
y = 10
n = 6397 11029 digits Feb 2012 PRP Lelio R Paula
n = 8999 15516 digits Feb 2012 PRP Lelio R Paula
y = 11
n = 9001 15519 digits Feb 2012 PRP Lelio R Paula
y = 47
n = 9533 16437 digits Feb 2008 PRP Lelio R Paula
x = 54
y = 7
n = 10499 18187 digits Feb 2012 PRP Lelio R Paula
x = 55
y = 4
n = 12239 21299 digits Apr 2009 PRP Lelio R Paula
y = 8
n = 9161 15942 digits Feb 2012 PRP Lelio R Paula
x = 56
y = 5
n = 6211 10857 digits Feb 2012 PRP Lelio R Paula
x = 59
y = 4
n = 6427 11380 digits Feb 2012 PRP Lelio R Paula
y = 41
n = 6997 12390 digits Jan 2008 PRP Lelio R Paula
x = 61
y = 2
n = 5749 10263 digits Feb 2012 PRP Lelio R Paula
y = 39
n = 9433 16840 digits Feb 2008 PRP Lelio R Paula
x = 67
y = 33
n = 5501 10044 digits Jan 2008 PRP Lelio R Paula
x = 73
y = 27
n = 6823 12712 digits Jan 2008 PRP Lelio R Paula
n = 8147 15179 digits Feb 2008 PRP Lelio R Paula
x = 89
y = 11
n = 6037 11767 digits Jan 2008 PRP Lelio R Paula
x = 115
y = 11
n = 8929 18400 digits Apr 2009 PRP Lelio R Paula
x = 126
y = 10
n = 8009 16821 digits Apr 2009 PRP Lelio R Paula
x = 134
y = 93
n = 6037 12840 digits Mar 2009 PRP Lelio R Paula
n = 6689 14227 digits Mar 2009 PRP Lelio R Paula
x = 137
y = 90
n = 5987 12791 digits Mar 2009 PRP Lelio R Paula
x = 138
y = 89
n = 7043 15070 digits Apr 2009 PRP Lelio R Paula
y = 13
n = 8819 18872 digits Jul 2013 PRP Jean-Louis Charton
x = 140
y = 13
n = 6133 13163 digits Jul 2013 PRP Jean-Louis Charton
x = 144
y = 83
n = 5843 12610 digits Mar 2009 PRP Lelio R Paula
x = 145
y = 82
n = 5167 11166 digits Mar 2009 PRP Lelio R Paula
x = 148
y = 79
n = 7159 15536 digits Apr 2009 PRP Lelio R Paula
x = 159
y = 68
n = 6599 14526 digits Mar 2009 PRP Lelio R Paula
x = 160
y = 67
n = 7901 17413 digits Apr 2009 PRP Lelio R Paula
x = 161
y = 66
n = 6361 14036 digits Mar 2009 PRP Lelio R Paula
x = 162
y = 65
n = 5099 11265 digits Feb 2009 PRP Lelio R Paula
n = 6007 13271 digits Mar 2009 PRP Lelio R Paula
x = 166
y = 61
n = 7841 17406 digits Apr 2009 PRP Lelio R Paula
x = 171
y = 56
n = 9341 20857 digits Feb 2012 PRP Lelio R Paula
x = 176
y = 51
n = 6733 15117 digits Mar 2009 PRP Lelio R Paula
n = 8933 20058 digits Apr 2009 PRP Lelio R Paula
x = 178
y = 49
n = 8707 19593 digits Apr 2009 PRP Lelio R Paula
x = 179
y = 48
n = 4649 10472 digits Feb 2009 PRP Lelio R Paula
x = 182
y = 45
n = 8293 18741 digits Apr 2009 PRP Lelio R Paula
x = 184
y = 43
n = 5711 12933 digits Mar 2009 PRP Lelio R Paula
x = 189
y = 38
n = 4463 10158 digits Feb 2009 PRP Lelio R Paula
n = 5021 11428 digits Feb 2009 PRP Lelio R Paula
n = 9533 21700 digits Feb 2012 PRP Lelio R Paula
x = 191
y = 36
n = 9907 22597 digits Feb 2012 PRP Lelio R Paula
x = 192
y = 35
n = 4483 10234 digits Feb 2009 PRP Lelio R Paula
n = 4957 11317 digits Feb 2009 PRP Lelio R Paula
n = 5791 13221 digits Mar 2009 PRP Lelio R Paula
x = 193
y = 34
n = 8821 20159 digits Apr 2009 PRP Lelio R Paula
x = 194
y = 33
n = 7927 18134 digits Apr 2009 PRP Lelio R Paula
x = 195
y = 32
n = 7457 17075 digits Apr 2009 PRP Lelio R Paula
x = 199
y = 28
n = 6451 14828 digits Mar 2009 PRP Lelio R Paula
x = 208
y = 19
n = 7963 18457 digits Apr 2009 PRP Lelio R Paula
n = 8713 20196 digits Apr 2009 PRP Lelio R Paula
x = 209
y = 18
n = 5953 13810 digits Mar 2009 PRP Lelio R Paula
x = 219
y = 8
n = 4787 11202 digits Feb 2009 PRP Lelio R Paula
y = 94
n = 30047 70322 digits Feb 2026 PRP Norbert Schneider
x = 222
y = 5
n = 4943 11596 digits Feb 2009 PRP Lelio R Paula
x = 223
y = 4
n = 7741 18176 digits Apr 2009 PRP Lelio R Paula
x = 224
y = 3
n = 4729 11112 digits Feb 2009 PRP Lelio R Paula