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
372108383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28151393273809526939772271.32019-12-20 04:37:48
History
DateUserTypeResult
2025-05-12James HeinrichF
Factor: 2815139327380952693977 / TF: 71-72
2019-12-20Smok_bmv F
Factor: 2815139327380952693977 / TF: 71-72*
2019-12-20Smok_bmv NF
no factor from 2^70 to 2^71
2019-01-25sasakiNF
no factor from 2^69 to 2^70
2018-08-06srow7NF
no factor from 2^68 to 2^69
2017-01-16Andrew BNF
no factor from 2^67 to 2^68
2016-03-29baseyNF
no factor from 2^66 to 2^67
2014-04-05RichardNF
no factor from 2^65 to 2^66
2011-02-25Architects CubedNF
no factor from 2^64 to 2^65