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
615000209Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1252228063183412244053032476.72019-11-15 11:00:07
History
DateUserTypeResult
2019-11-15mikrF
Factor: 125222806318341224405303 / TF: 76-77*
2019-11-15mikrNF
no factor from 2^75 to 2^76
2019-11-15mikrNF
no factor from 2^74 to 2^75
2019-11-15mikrNF
no factor from 2^73 to 2^74
2019-11-15mikrNF
no factor from 2^72 to 2^73
2018-11-24Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2017-04-16Smok_bmv NF
no factor from 2^69 to 2^71
2017-03-03sasakiNF
no factor from 2^68 to 2^69
2016-11-26ConductorNF
no factor from 2^67 to 2^68
2014-02-23sasakiNF
no factor from 2^65 to 2^67
2012-01-13tscNF
no factor from 2^64 to 2^65
2010-07-31Architects CubedNF
no factor from 2^63 to 2^64