Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
905434253Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3943631333718807728632168.42017-04-18 08:24:32
9958814987058315035292169.82025-04-23 16:35:19
History
DateUserTypeResult
2025-04-23yuriy5-1F
Factor: 995881498705831503529 / TF: 69-74
2017-04-18ConductorF
Factor: 394363133371880772863 / TF: 68-69
2016-06-20ConductorNF
no factor from 2^67 to 2^68
2015-02-06Gordon SpenceNF
no factor from 2^66 to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-10-30lindeeNF
no factor from 2^64 to 2^65
2010-07-12lindedNF
no factor from 2^63 to 2^64