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
580144883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21611480419077263869672270.92020-02-18 03:22:47
History
DateUserTypeResult
2025-03-29James HeinrichF
Factor: 2161148041907726386967 / TF: 70-71
2022-07-19LordJuliusNF
no factor from 2^1 to 2^63
2020-02-18Smok_bmv F
Factor: 2161148041907726386967 / TF: 70-71*
2018-09-26sasakiNF
no factor from 2^69 to 2^70
2018-05-20sasakiNF
no factor from 2^68 to 2^69
2016-12-16sasakiNF
no factor from 2^67 to 2^68
2015-10-09sasakiNF
no factor from 2^66 to 2^67
2014-09-06NRNF
no factor from 2^65 to 2^66
2011-07-30Architects CubedNF
no factor from 2^64 to 2^65
2010-03-05Architects CubedNF
no factor from 2^63 to 2^64