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
74578853Factored
FactorDigitsBitsDate
13056596233738656230546370072890.12016-02-23 07:02:00
P-1 factors
DateFactorB1B2
2016-02-2313056596233738656230546370076400000
History
DateUserTypeResult
2022-06-02LordJuliusNF
no factor from 2^1 to 2^64
2016-02-23NesowaF-PM1
Factor: 1305659623373865623054637007 / (P-1, B1=640000)
2016-02-16AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-16AirSquirrelsNF
no factor from 2^73 to 2^74
2015-10-24Judge HaleNF
no factor from 2^72 to 2^73
2013-01-04SWL551NF
no factor from 2^71 to 2^72
2013-01-03SWL551NF
no factor from 2^70 to 2^71
2013-01-03SWL551NF
no factor from 2^69 to 2^70
2010-10-05eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2010-10-02eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-09-30korvaNF
no factor from 2^66 to 2^67
2010-09-26RhyledNF
no factor from 2^65 to 2^66
2010-09-25ANONYMOUSNF
no factor from 2^64 to 2^65