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Record history for SP12
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| Primes | Type | Digits | Year | Discoverer |
| 906644189971753846618980352 • 233# • 2n + 1, n = 0..11 | CC,
2nd kind |
123 | 2015 |
Andrey Balyakin |
| x81d • 61# • 2n ± 1, n = 45..50 | BiTwin |
118 | 2014 |
Primecoin |
| x83c • 71# • 2n - 1, n = 0..11 | CC, 1st kind |
112 | 2014 |
Primecoin |
| x81c • 53# • 2n ± 1, n = 0..5 | BiTwin |
101 | 2013 |
Primecoin |
| x81b • 43# • 2n + 1, n = 0..11 | CC,
2nd kind |
99 | 2013 |
Primecoin |
| 13931865163581 • 127# • 2n + 1, n = 0..11 | CC,
2nd kind |
64 | 2008 |
Dirk Augustin, NewPGen, PrimeForm |
| (8428860 • 127# + 212148902055090) • 2n + 1, n = 0..11 | CC, 2nd kind |
58 | 2006 |
Jens K. Andersen |
| (4691553 • 97# + 704765232261090) • 2n ± 1, n = 0..5 | BiTwin |
44 | 2004 |
Jens K. Andersen |
| 332352838383 • 80# + 38458151 + d, d = 0, 2, 6, 8, 12, 18, 20, 26, 30, 32, 36, 42 | Tuplet |
43 | 2003 |
Jens K. Andersen |
| 5027317106963 • 75# + 1418575498567 + d, d = 0, 6, 10, 12, 16, 22, 24, 30, 34, 36, 40, 42 | Tuplet |
42 | 2001 |
Norman Luhn |