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
876197683Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42094986358002837379932271.82019-02-15 11:13:02
History
DateUserTypeResult
2025-03-27James HeinrichF
Factor: 4209498635800283737993 / TF: 71-72
2019-02-15Smok_bmv F
Factor: 4209498635800283737993 / TF: 71-72*
2019-02-15Smok_bmv NF
no factor from 2^70 to 2^71
2017-02-02ramgeisNF
no factor from 2^68 to 2^70
2015-07-18sasakiNF
no factor from 2^67 to 2^68
2015-03-26sasakiNF
no factor from 2^66 to 2^67
2013-06-28america64NF
no factor from 2^65 to 2^66
2010-10-25Architects CubedNF
no factor from 2^64 to 2^65
2010-04-19Architects CubedNF
no factor from 2^63 to 2^64