Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
528107383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
37799784985506408544972271.72020-01-11 15:44:33
History
DateUserTypeResult
2025-04-14James HeinrichF
Factor: 3779978498550640854497 / TF: 71-72
2020-01-11Smok_bmv F
Factor: 3779978498550640854497 / TF: 71-72*
2019-07-17sasakiNF
no factor from 2^70 to 2^71
2019-01-26ATHNF
no factor from 2^69 to 2^70
2017-07-12sasakiNF
no factor from 2^68 to 2^69
2016-09-09sasakiNF
no factor from 2^67 to 2^68
2016-03-27monstNF
no factor from 2^66 to 2^67
2014-10-15sasakiNF
no factor from 2^65 to 2^66
2012-01-01GIMP PhilippinesNF
no factor from 2^64 to 2^65
2010-07-09Architects CubedNF
no factor from 2^63 to 2^64