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

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MnStatusDetails
255324893Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6099533981618804525212169.02019-04-17 11:54:27
History
DateUserTypeResult
2025-03-20James HeinrichF
Factor: 609953398161880452521 / TF: 69-70
2019-04-17_p95holder_F
Factor: 609953398161880452521 / TF: 69-70
2018-06-09Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2015-09-15caddrNF
no factor from 2^66 to 2^68
2013-11-12sasaki3NF
no factor from 2^65 to 2^66
2011-08-02sasaki3NF
no factor from 2^64 to 2^65
2010-03-08Architects CubedNF
no factor from 2^63 to 2^64
2010-03-08Architects CubedNF
no factor from 2^62 to 2^63