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
118083143Factored
FactorDigitsBitsDate
4702122031681830686664312478.62023-05-24 00:38:49
P-1 factors
DateFactorB1B2
2023-05-2447021220316818306866643157400025583000
History
DateUserTypeResult
2023-05-24ky0urakuF-PM1
Factor: 470212203168183068666431 / (P-1, B1=574000, B2=25583000)
2022-05-10TheJudgerNF
no factor from 2^76 to 2^77
2020-08-02snme2pm1NF
no factor from 2^75 to 2^76
2020-08-02snme2pm1NF
no factor from 2^74 to 2^75
2019-05-12snme2pm1NF
no factor from 2^73 to 2^74
2015-11-29snme2pm1NF
no factor from 2^72 to 2^73
2015-01-09snme2pm1NF
no factor from 2^71 to 2^72
2015-01-09snme2pm1NF
no factor from 2^70 to 2^71
2014-10-30snme2pm1NF
no factor from 2^69 to 2^70
2014-10-30snme2pm1NF
no factor from 2^68 to 2^69
2014-03-17snme2pm1NF
no factor from 2^66 to 2^68
2012-07-18RichardNF
no factor from 2^65 to 2^66
2010-10-13Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-14garoNF
no factor from 2^63 to 2^64