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
215538377Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32865955592851765429932271.52018-05-30 04:25:41
History
DateUserTypeResult
2018-05-30Smok_bmv F
Factor: 3286595559285176542993 / TF: 71-72*
2018-05-30Smok_bmv NF
no factor from 2^70 to 2^71
2018-05-27Martin RussellNF
no factor from 2^69 to 2^70
2017-12-26tmorrowNF
no factor from 2^68 to 2^69
2016-09-07Andrew BNF
no factor from 2^67 to 2^68
2015-12-19nikoszNF
no factor from 2^66 to 2^67
2012-07-08america64NF
no factor from 2^65 to 2^66
2011-05-28RichardNF
no factor from 2^64 to 2^65