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
695894891Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4211529509882231978712168.52017-07-14 18:35:21
History
DateUserTypeResult
2022-07-29LordJuliusNF
no factor from 2^1 to 2^63
2022-07-29J.R. AllenNF
no factor from 2^62 to 2^63
2017-07-14ConductorF
Factor: 421152950988223197871 / TF: 68-69
2014-09-19sasakiNF
no factor from 2^66 to 2^68
2013-12-06sasakiNF
no factor from 2^65 to 2^66
2012-01-29laleraNF
no factor from 2^64 to 2^65
2010-07-17Architects CubedNF
no factor from 2^63 to 2^64