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

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MnStatusDetails
105785573Factored
FactorDigitsBitsDate
4176166083710724123962172478.52021-03-09 00:20:51
P-1 factors
DateFactorB1B2
2021-03-0941761660837107241239621755000005500000
History
DateUserTypeResult
2021-03-09ZenzomaF-PM1
Factor: 417616608371072412396217 / (P-1, B1=5500000)
2021-03-03RichD0NF
no factor from 2^75 to 2^76
2021-03-01-Anonymous-NF
no factor from 2^74 to 2^75
2020-04-02XZTNF
no factor from 2^73 to 2^74
2020-02-20el groccoNF
no factor from 2^72 to 2^73
2015-01-10Preben SNF
no factor from 2^71 to 2^72
2013-10-24tmorrowNF
no factor from 2^70 to 2^71
2013-10-16tmorrowNF
no factor from 2^69 to 2^70
2013-10-11tmorrowNF
no factor from 2^68 to 2^69
2013-10-08tmorrowNF
no factor from 2^67 to 2^68
2013-10-02-Anonymous-NF
no factor from 2^66 to 2^67
2012-05-13omiXorpNF
no factor from 2^65 to 2^66
2010-09-02Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-21lindedNF
no factor from 2^63 to 2^64