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
101205227Factored
FactorDigitsBitsDate
1262691279630130056779292476.72020-11-20 13:22:18
P-1 factors
DateFactorB1B2
2020-11-2012626912796301300567792910000001000000
History
DateUserTypeResult
2020-11-20KrieselF-PM1
Factor: 126269127963013005677929 / (P-1, B1=1000000)
2020-10-14Kevin JagetNF
no factor from 2^75 to 2^76
2020-10-14Kevin JagetNF
no factor from 2^74 to 2^75
2020-03-19Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-04danc2NF
no factor from 2^72 to 2^73
2014-12-13SMoffatNF
no factor from 2^71 to 2^72
2014-05-28SatanNF
no factor from 2^70 to 2^71
2014-05-21Smok_bmv NF
no factor from 2^69 to 2^70
2014-04-22Andreas_TruetschNF
no factor from 2^68 to 2^69
2014-04-02AnimNF
no factor from 2^67 to 2^68
2013-10-28-Anonymous-NF
no factor from 2^66 to 2^67
2011-09-18riccardo ubertiNF
no factor from 2^65 to 2^66
2010-08-13carlos56NF
no factor from 2^64 to 2^65
2010-03-151997rj7NF
no factor from 2^63 to 2^64