Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
108757283Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
17882241584907515124714172580.62022-01-31 04:31:59
8170326839582975342027781132789.42022-01-31 04:31:59
P-1 factors
DateFactorB1B2
2022-01-31146103758373076674060435484900970767623652790569612188500016593750
History
DateUserTypeResult
2022-01-31Smok_bmv F-PM1
Factor: 1461037583730766740604354849009707676236527905696121 / (P-1, B1=885000, B2=16593750)
2021-10-121997rj7NF
no factor from 2^76 to 2^77
2021-04-09TheJudgerNF
no factor from 2^75 to 2^76
2021-04-09TheJudgerNF
no factor from 2^74 to 2^75
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-02-05SWL551NF
no factor from 2^71 to 2^72
2015-02-05SWL551NF
no factor from 2^70 to 2^71
2015-02-02Brandon VincentNF
no factor from 2^69 to 2^70
2015-01-30sannerud.comNF
no factor from 2^68 to 2^69
2015-01-26el groccoNF
no factor from 2^67 to 2^68
2013-10-12Cow_tippingNF
no factor from 2^66 to 2^67
2012-05-24omiXorpNF
no factor from 2^65 to 2^66
2010-09-12carlos56NF
no factor from 2^64 to 2^65
2010-04-27sasaki3NF
no factor from 2^63 to 2^64