Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
216628199Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
1620120742960865105272167.12016-09-09 02:18:04
3096077905365134759212168.12024-08-27 08:51:23
History
DateUserTypeResult
2024-08-27TJAOIF
Factor: 309607790536513475921 / TF: 68-69
2016-09-09baseyF
Factor: 162012074296086510527 / TF: 67-68
2015-10-21subgeniusNF
no factor from 2^66 to 2^67
2012-07-03laleraNF
no factor from 2^65 to 2^66
2011-05-29Charles A. MorrisNF
no factor from 2^64 to 2^65