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
957195413Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
198120697337781117026572374.12024-07-11 06:09:46
History
DateUserTypeResult
2025-06-06Jarod McClintockF
Factor: 19812069733778111702657 / TF: 74-75
2024-07-11SRBaseF
Factor: 19812069733778111702657 / TF: 74-75*
2022-12-19SRBaseNF
no factor from 2^73 to 2^74
2021-06-29SRBaseNF
no factor from 2^72 to 2^73
2020-10-18SRBaseNF
no factor from 2^71 to 2^72
2018-10-26Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2017-02-27ramgeisNF
no factor from 2^68 to 2^70
2016-04-22HBendtzNF
no factor from 2^67 to 2^68
2012-12-14lindedNF
no factor from 2^66 to 2^67
2012-12-14lindedNF
no factor from 2^65 to 2^66
2011-03-22lindedNF
no factor from 2^64 to 2^65
2010-05-05lindedNF
no factor from 2^63 to 2^64