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

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MnStatusDetails
76993769Factored
FactorDigitsBitsDate
381186234419748250275592375.02014-09-13 02:22:56
P-1 factors
DateFactorB1B2
2014-09-13381186234419748250275597150000
History
DateUserTypeResult
2022-06-27LordJuliusNF
no factor from 2^62 to 2^64
2014-09-13Torchwood InstituteF-PM1
Factor: 38118623441974825027559 / (P-1, B1=715000)
2014-09-12ChuckNF
no factor from 2^73 to 2^74
2012-12-16DRHNF
no factor from 2^72 to 2^73
2012-12-16DRHNF
no factor from 2^71 to 2^72
2012-12-16DRHNF
no factor from 2^70 to 2^71
2010-10-13Aare VesiNF
no factor from 2^69 to 2^70
2010-10-11-Anonymous-NF
no factor from 2^68 to 2^69
2010-10-08-Anonymous-NF
no factor from 2^67 to 2^68
2010-10-05-Anonymous-NF
no factor from 2^66 to 2^67
2010-10-01OtmarStueppNF
no factor from 2^65 to 2^66
2010-09-28garoNF
no factor from 2^64 to 2^65