Dual Woodall (probable) Primes
Expression: bn − n
{ only numbers with at least 1000 decimal digits }
Total: 114
PRP: 76   Prime: 38
Sorted informations as a txt-format
Exhaustive-search-table
References: Mersenneforum • PRP Top 10000
Rank Number Digits When PRP found by ... Status on
factordb
1 21397089 − 1397089 420566 Oct 2024 Henri Lifchitz PRP
2 21061095 − 1061095 319422 Oct 2013 Henri Lifchitz PRP
3 21015321 − 1015321 305643 Aug 2013 Henri Lifchitz PRP
4 4342873 − 342873 206431 Jun 2026 Mark Rodenkirch PRP
5 6246229 − 246229 191604 Dec 2022 Ryan Propper PRP
6 36107827 − 107827 167812 Jun 2023 Kellen Shenton PRP
7 3324698 − 324698 154921 Jun 2026 Mark Rodenkirch PRP
8 2505431 − 505431 152150 Apr 2005 Henri Lifchitz PRP
9 2500899 − 500899 150786 Apr 2005 Henri Lifchitz PRP
10 2481801 − 481801 145037 Mar 2005 Henri Lifchitz PRP
11 4239421 − 239421 144146 Jun 2026 Mark Rodenkirch PRP
12 4203111 − 203111 122286 Jun 2026 Mark Rodenkirch PRP
13 9120590 − 120590 115073 Mar 2014 Robert Price PRP
14 3235532 − 235532 112378 Sep 2023 Nico Puada PRP
15 8112539 − 112539 101633 Jan 2014 Robert Price PRP
16 6124433 − 124433 96828 Jan 2014 Robert Price PRP
17 1282351 − 82351 88872 Jun 2026 Vincent Gautier PRP
18 1183660 − 83660 87123 Jun 2026 Jiahao He PRP
19 2228271 − 228271 68717 Nov 2004 Henri Lifchitz PRP
20 1501315012 − 15012 62698 Oct 2014 Henri Lifchitz PRP
21 1060959 − 60959 60959 Aug 2002 Henri Lifchitz PRP
22 2182451 − 182451 54924 Oct 2004 Henri Lifchitz PRP
23 85518538 − 18538 54353 Jun 2023 Kellen Shenton PRP
24 1843085 − 43085 54084 Jun 2026 Vincent Gautier PRP
25 1444481 − 44481 50981 Jun 2026 Vincent Gautier PRP
26 1048449 − 48449 48449 Jul 2002 Henri Lifchitz PRP
27 1048107 − 48107 48107 Jul 2002 Henri Lifchitz PRP
28 939212 − 39212 37418 Mar 2014 Robert Price PRP
29 934334 − 34334 32763 Mar 2014 Robert Price PRP
30 2108049 − 108049 32526 Nov 2001 Henri Lifchitz PRP
31 6016927 − 16927 30098 Jun 2026 Vincent Gautier PRP
32 25611517 − 11517 27736 Oct 2012 Enzo Doria PRP
33 6715062 − 15062 27505 May 2026 Vincent Gautier PRP
34 1720720 − 20720 25495 Jun 2026 Vincent Gautier PRP
35 1718672 − 18672 22975 Jun 2026 Vincent Gautier PRP
36 2415887 − 15887 21928 Oct 2025 Anonymous PRP
37 1816463 − 16463 20666 Jun 2026 Vincent Gautier PRP
38 1716250 − 16250 19995 Jun 2026 Vincent Gautier PRP
39 261011 − 61011 18367 Sep 2001 Henri Lifchitz PRP
40 260975 − 60975 18356 Sep 2001 Henri Lifchitz PRP
41 329999 − 9999 15050 Oct 2025 Norman Luhn PRP
42 424747 − 24747 14900 Feb 2014 Robert Price PRP
43 538328 − 8328 14360 Nov 2025 Norman Luhn PRP
44 244169 − 44169 13297 Sep 2001 Henri Lifchitz PRP
45 814203 − 14203 12827 Apr 2013 Giovanni Resta PRP
46 18393928 − 3928 12824 Jun 2026 Jiahao He PRP
47 325628 − 25628 12228 Sep 2001 Henri Lifchitz PRP
48 90193072 − 3072 12151 Nov 2004 Henri Lifchitz PRP
49 189529 − 9529 11962 Oct 2025 Norman Luhn PRP
50 536926 − 6926 11943 Nov 2025 Norman Luhn PRP
51 268373 − 8373 11848 Oct 2025 Norman Luhn PRP
52 486757 − 6757 11361 Nov 2025 Norman Luhn PRP
53 911758 − 11758 11220 Apr 2013 Giovanni Resta PRP
54 466737 − 6737 11202 Sep 2004 T. D. Noe PRP
55 109911 − 9911 9911 Dec 2006 Farideh Firoozbakht PRP
56 505679 − 5679 9648 Nov 2025 Norman Luhn PRP
57 18392920 − 2920 9533 Jun 2026 Jiahao He PRP
58 612229 − 12229 9517 Jun 2026 Mark Rodenkirch PRP
59 505521 − 5521 9380 Aug 2023 Kellen Shenton PRP
60 405711 − 5711 9149 Nov 2025 Norman Luhn PRP
61 99100 − 9100 8684 Oct 2025 Anonymous PRP
62 225975 − 5975 8021 Oct 2025 Norman Luhn PRP
63 127171 − 7171 7739 Oct 2025 Norman Luhn PRP
64 59722 − 9722 6796 Oct 2025 Anonymous PRP
65 314292 − 4292 6401 Oct 2025 Norman Luhn PRP
66 96562 − 6562 6262 Oct 2025 Anonymous PRP
67 20141821 − 1821 6017 May 2026 Jiahao He Prime
68 633340 − 3340 6010 Jun 2026 Vincent Gautier PRP
69 254292 − 4292 6000 Oct 2025 Norman Luhn PRP
70 613282 − 3282 5860 May 2026 Vincent Gautier PRP
71 343783 − 3783 5794 Oct 2025 Norman Luhn PRP
72 353582 − 3582 5531 Oct 2025 Norman Luhn PRP
73 313708 − 3708 5530 Oct 2025 Norman Luhn PRP
74 76038 − 6038 5103 Oct 2025 Anonymous PRP
75 532922 − 2922 5039 Nov 2025 Norman Luhn PRP
76 612750 − 2750 4910 May 2026 Vincent Gautier PRP
77 183839 − 3839 4819 Oct 2025 Norman Luhn PRP
78 212213 − 12213 3677 May 2017 Edwin Hall Prime
79 332290 − 2290 3478 Oct 2025 Norman Luhn Prime
80 412120 − 2120 3420 Nov 2025 Norman Luhn Prime
81 491982 − 1982 3350 Nov 2025 Norman Luhn Prime
82 1839992 − 992 3239 Jun 2026 Jiahao He Prime
83 421991 − 1991 3232 Nov 2025 Norman Luhn Prime
84 63727 − 3727 2901 Jan 2021 Masaki UKAI Prime
85 321729 − 1729 2603 Dec 2020 Masaki UKAI Prime
86 291628 − 1628 2381 Dec 2020 Masaki UKAI Prime
87 132130 − 2130 2373 Jul 2018 Ben Chaffin Prime
88 27353 − 7353 2214 Jun 2015 Ted Burton Prime
89 311418 − 1418 2115 Dec 2020 Masaki UKAI Prime
90 231488 − 1488 2027 Dec 2020 Masaki UKAI Prime
91 43986 − 986 1611 Apr 2022 Anonymous Prime
92 111368 − 1368 1425 Jul 2018 Ben Chaffin Prime
93 54797 − 797 1381 Nov 2025 Norman Luhn Prime
94 543490 − 490 1341 May 2026 Jiahao He Prime
95 61734 − 734 1311 May 2026 Vincent Gautier Prime
96 539468 − 468 1279 May 2026 Jiahao He Prime
97 24185 − 4185 1260 Oct 2025 Anonymous Prime
98 555446 − 446 1224 May 2026 Jiahao He Prime
99 42751 − 751 1220 Nov 2025 Norman Luhn Prime
100 61680 − 680 1215 May 2026 Vincent Gautier Prime
101 56673 − 673 1177 Nov 2025 Norman Luhn Prime
102 20897 − 897 1167 Oct 2025 Norman Luhn Prime
103 533420 − 420 1146 May 2026 Jiahao He Prime
104 542415 − 415 1135 May 2026 Jiahao He Prime
105 528415 − 415 1130 May 2026 Jiahao He Prime
106 26787 − 787 1114 Oct 2025 Norman Luhn Prime
107 512405 − 405 1098 Nov 2011 Edwin Hall Prime
108 55614 − 614 1069 Nov 2025 Norman Luhn Prime
109 451402 − 402 1067 May 2026 Jiahao He Prime
110 488391 − 391 1052 May 2026 Jiahao He Prime
111 23415 − 3415 1029 Oct 2025 Anonymous Prime
112 39644 − 644 1025 Oct 2020 Seth Troisi Prime
113 81131 − 1131 1022 Jul 2018 Ben Chaffin Prime
114 33668 − 668 1015 Oct 2025 Norman Luhn Prime