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
309151883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42777804229579718108332271.92019-09-18 04:29:36
History
DateUserTypeResult
2025-04-24James HeinrichF
Factor: 4277780422957971810833 / TF: 71-72
2019-09-18Smok_bmv F
Factor: 4277780422957971810833 / TF: 71-72*
2019-09-18Smok_bmv NF
no factor from 2^70 to 2^71
2018-05-31Jacques MOLNENF
no factor from 2^69 to 2^70
2017-08-29Jacques MOLNENF
no factor from 2^68 to 2^69
2016-12-09yangyiNF
no factor from 2^67 to 2^68
2016-02-18Remi LucetNF
no factor from 2^66 to 2^67
2014-01-14Lukin DmitryNF
no factor from 2^65 to 2^66
2011-10-24RichardNF
no factor from 2^64 to 2^65