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
422042483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15545642639056007401372270.42019-11-08 18:58:47
History
DateUserTypeResult
2019-11-08Smok_bmv F
Factor: 1554564263905600740137 / TF: 70-71
2018-12-13sasakiNF
no factor from 2^69 to 2^70
2017-11-08sasakiNF
no factor from 2^68 to 2^69
2015-04-11sasakiNF
no factor from 2^66 to 2^68
2014-07-09RichardNF
no factor from 2^65 to 2^66