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
100145021Factored
FactorDigitsBitsDate
427724380530980532444065960472995.12020-09-16 07:48:23
P-1 factors
DateFactorB1B2
2020-09-164277243805309805324440659604784000017220000
History
DateUserTypeResult
2020-09-16ky0urakuF-PM1
Factor: 42772438053098053244406596047 / (P-1, B1=840000, B2=17220000, E=12)
2020-07-06penluNF
no factor from 2^75 to 2^76
2020-04-14Architects CubedNF
no factor from 2^74 to 2^75
2020-02-11Lukas_JNF
no factor from 2^73 to 2^74
2020-02-08riccardo ubertiNF
no factor from 2^72 to 2^73
2015-04-15webbertNF
no factor from 2^71 to 2^72
2011-04-18Craig MeyersNF
no factor from 2^70 to 2^71
2011-04-18Craig MeyersNF
no factor from 2^69 to 2^70
2011-04-05Craig MeyersNF
no factor from 2^68 to 2^69
2011-04-05Craig MeyersNF
no factor from 2^67 to 2^68
2011-02-26Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-03Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-17Torchwood InstituteNF
no factor from 2^64 to 2^65