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
64186433Factored
FactorDigitsBitsDate
708748108175040404484012375.92013-06-14 16:57:02
P-1 factors
DateFactorB1B2
2013-06-147087481081750404044840157500011356250
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^60 to 2^63
2013-06-14HBendtzF-PM1
Factor: 70874810817504040448401
2013-04-25ChuckNF
no factor from 2^73 to 2^74
2013-04-25ChuckNF
no factor from 2^72 to 2^73
2013-04-25ChuckNF
no factor from 2^71 to 2^72
2013-04-25ChuckNF
no factor from 2^70 to 2^71
2012-05-19omiXorpNF
no factor from 2^69 to 2^70
2009-09-16KriZpNF
no factor from 2^68 to 2^69
2009-03-24-Anonymous-NF
no factor from 2^67 to 2^68
2009-03-24SADMASTERNF
no factor from 2^66 to 2^67
2009-03-17-Anonymous-NF
no factor from 2^65 to 2^66
2009-03-11Steve_RichterNF
no factor from 2^64 to 2^65
2009-03-08Sturle SundeNF
no factor from 2^63 to 2^64