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
109442117Factored
FactorDigitsBitsDate
4392913409211109658351032478.52021-06-27 02:11:59
P-1 factors
DateFactorB1B2
2021-06-2743929134092111096583510355000005500000
History
DateUserTypeResult
2021-06-27Paul UnderwoodF-PM1
Factor: 439291340921110965835103 / (P-1, B1=5500000)
2021-05-05TheJudgerNF
no factor from 2^75 to 2^76
2021-05-04NumberwangNF
no factor from 2^74 to 2^75
2020-08-16storm5510NF
no factor from 2^73 to 2^74
2020-03-19EratosthenesNF
no factor from 2^72 to 2^73
2013-11-25rlakeNF
no factor from 2^71 to 2^72
2013-11-25rlakeNF
no factor from 2^70 to 2^71
2013-10-21RobishNF
no factor from 2^69 to 2^70
2013-10-17RobishNF
no factor from 2^68 to 2^69
2013-10-15RobishNF
no factor from 2^67 to 2^68
2013-10-12Cow_tippingNF
no factor from 2^66 to 2^67
2012-05-25omiXorpNF
no factor from 2^65 to 2^66
2010-09-14AliNF
no factor from 2^64 to 2^65
2010-05-04RichardNF
no factor from 2^63 to 2^64