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

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MnStatusDetails
115408879Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
44451699619479276629949192581.92022-05-14 01:47:34
P-1 factors
DateFactorB1B2
2022-05-144445169961947927662994919582000582000
History
DateUserTypeResult
2022-05-14ky0urakuF-PM1
Factor: 4445169961947927662994919 / (P-1, B1=582000)
2022-04-18TheJudgerNF
no factor from 2^76 to 2^77
2021-06-02TheJudgerNF
no factor from 2^75 to 2^76
2021-06-02TheJudgerNF
no factor from 2^74 to 2^75
2020-11-05XZTNF
no factor from 2^73 to 2^74
2020-04-24SRBaseNF
no factor from 2^72 to 2^73
2015-05-25endless_mikeNF
no factor from 2^71 to 2^72
2015-05-22Smok_bmv NF
no factor from 2^70 to 2^71
2015-05-18Smok_bmv NF
no factor from 2^69 to 2^70
2015-05-14Earle LoweNF
no factor from 2^68 to 2^69
2015-02-25XebecerNF
no factor from 2^67 to 2^68
2014-11-28riccardo ubertiNF
no factor from 2^66 to 2^67
2012-06-20Torchwood InstituteNF
no factor from 2^65 to 2^66
2010-10-05Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-08oodairaNF
no factor from 2^63 to 2^64