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

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MnStatusDetails
105789517Factored
FactorDigitsBitsDate
1655810401193225170454607772787.12021-03-12 01:33:30
P-1 factors
DateFactorB1B2
2021-03-1216558104011932251704546077755000005500000
History
DateUserTypeResult
2022-03-31LordJuliusNF
no factor from 2^1 to 2^67
2021-03-12S00030F-PM1
Factor: 165581040119322517045460777 / (P-1, B1=5500000)
2021-02-28RichD0NF
no factor from 2^75 to 2^76
2021-02-28RichD0NF
no factor from 2^74 to 2^75
2020-03-29BytesInFlamesNF
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
2014-10-26CSLatDDNF
no factor from 2^70 to 2^71
2014-10-23arnaudNF
no factor from 2^69 to 2^70
2014-10-21MarstonNF
no factor from 2^68 to 2^69
2014-10-20g0bNF
no factor from 2^67 to 2^68
2013-09-10ITSNF
no factor from 2^66 to 2^67
2012-05-15omiXorpNF
no factor from 2^65 to 2^66
2010-09-02Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-21James HeinrichNF
no factor from 2^63 to 2^64