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

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MnStatusDetails
85220537Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
112666424438480339534491992683.22017-12-30 03:53:04
P-1 factors
DateFactorB1B2
2017-12-301126664244384803395344919967500012150000
History
DateUserTypeResult
2017-12-30Smok_bmv F-PM1
Factor: 11266642443848033953449199 / (P-1, B1=675000, B2=12150000)
2017-09-14Kevin JagetNF
no factor from 2^75 to 2^76
2017-08-20Brian BeuningNF
no factor from 2^74 to 2^75
2017-04-28-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-25Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-09-04Quantum SingularityNF
no factor from 2^71 to 2^72
2014-09-04Quantum SingularityNF
no factor from 2^70 to 2^71
2013-12-12GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-02-27AxelssonNF
no factor from 2^68 to 2^69
2013-02-09E.LechnerNF
no factor from 2^67 to 2^68
2013-02-02lastareasdelhogarNF
no factor from 2^65 to 2^67
2010-11-25Architects CubedNF
no factor from 2^64 to 2^65