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Kynea Primes
Term: (2n + 1)2 - 2
Total: 51
References: PrimePages and Rieselprime.de
Rank Number Digits When Who PrimePages - ID
1 (2852770 + 1)2 - 2 513419 Jul 2019 Ryan Propper; cksieve; OpenPFGW 126646
2 (2661478 + 1)2 - 2 398250 Jun 2016 Mark Rodenkirch; cksieve; OpenPFGW 121801
3 (2621443 + 1)2 - 2 374146 May 2016 Mark Rodenkirch; cksieve; OpenPFGW -
4 (2442052 + 1)2 - 2 266142 Feb 2016 Mark Rodenkirch; cksieve; OpenPFGW -
5 (2376050 + 1)2 - 2 226405 2016 Mark Rodenkirch; cksieve; OpenPFGW -
6 (2369581 + 1)2 - 2 222510 2016 Mark Rodenkirch; cksieve; OpenPFGW -
7 (2281621 + 1)2 - 2 169553 Oct 2005 Cletus Emmanuel; OpenPFGW 75878
8 (2110615 + 1)2 - 2 66597 Feb 2004 Predrag Minovic; MultiSieve/mtsieve; OpenPFGW 68900
9 (2108888 + 1)2 - 2 65558 Feb 2004 Predrag Minovic; MultiSieve/mtsieve; OpenPFGW 68958
10 (2106380 + 1)2 - 2 64048 Mar 2004 Predrag Minovic; MultiSieve/mtsieve; OpenPFGW 69438
11 (2102435 + 1)2 - 2 61673 Feb 2004 Predrag Minovic; MultiSieve/mtsieve; OpenPFGW 68943
12 (269312 + 1)2 - 2 41730 2002 Steven Harvey -
13 (245873 + 1)2 - 2 27619 2002 Steven Harvey -
14 (237035 + 1)2 - 2 22298 2002 Steven Harvey -
15 (210367 + 1)2 - 2 6242 Feb 2002 Cletus Emmanuel -
16 (210088 + 1)2 - 2 6074 - - -
17 (26365 + 1)2 - 2 3833 - - -
18 (26287 + 1)2 - 2 3786 - - -
19 (25153 + 1)2 - 2 3103 - - -
20 (24217 + 1)2 - 2 2539 Feb 2002 Cletus Emmanuel -
21 (23281 + 1)2 - 2 1976 Feb 2002 Cletus Emmanuel -
22 (22813 + 1)2 - 2 1694 Feb 2002 Cletus Emmanuel -
23 (21650 + 1)2 - 2 994 - - -
24 (21070 + 1)2 - 2 645 - - -
25 (2800 + 1)2 - 2 482 - - -
26 (2680 + 1)2 - 2 410 - - -
27 (2591 + 1)2 - 2 356 - - -
28 (2555 + 1)2 - 2 335 - - -
29 (2507 + 1)2 - 2 306 - - -
30 (2501 + 1)2 - 2 302 - - -
31 (2491 + 1)2 - 2 296 - - -
32 (2467 + 1)2 - 2 282 - - -
33 (2242 + 1)2 - 2 146 - - -
34 (2180 + 1)2 - 2 109 - - -
35 (287 + 1)2 - 2 53 - - -
36 (265 + 1)2 - 2 40 - - -
37 (251 + 1)2 - 2 31 - - -
38 (232 + 1)2 - 2 20 - - -
39 (227 + 1)2 - 2 17 - - -
40 (223 + 1)2 - 2 14 - - -
41 (221 + 1)2 - 2 13 - - -
42 (218 + 1)2 - 2 11 - - -
43 (217 + 1)2 - 2 11 - - -
44 (215 + 1)2 - 2 10 - - -
45 (212 + 1)2 - 2 8 - - -
46 (29 + 1)2 - 2 6 - - -
47 (28 + 1)2 - 2 5 - - -
48 (25 + 1)2 - 2 4 - - -
49 (23 + 1)2 - 2 2 - - -
50 (22 + 1)2 - 2 2 - - -
51 (21 + 1)2 - 2 1 - - -