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

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MnStatusDetails
102072833Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12367587469549645706604732580.02021-01-06 11:57:39
P-1 factors
DateFactorB1B2
2021-01-061236758746954964570660473100000030000000
History
DateUserTypeResult
2021-01-06KrieselF-PM1
Factor: 1236758746954964570660473 / (P-1, B1=1000000, B2=30000000)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-27bayanneNF
no factor from 2^72 to 2^73
2014-12-08Ilya AlexandrovNF
no factor from 2^71 to 2^72
2014-05-11SatanNF
no factor from 2^70 to 2^71
2014-05-09SatanNF
no factor from 2^69 to 2^70
2014-05-09OS1NF
no factor from 2^68 to 2^69
2014-05-05DasDanielNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-20sasaki3NF
no factor from 2^65 to 2^66
2010-08-16Cedric VonckNF
no factor from 2^64 to 2^65
2010-05-021997rj7NF
no factor from 2^63 to 2^64