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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
144935969Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13132559431545819234453102072890.12024-11-26 20:28:59
P-1 factors
DateFactorB1B2
2024-11-26131325594315458192344531020788500089369910
History
DateUserTypeResult
2024-11-26Ryan PropperF-PM1
Factor: 1313255943154581923445310207 / (P-1, B1=885000, B2=89369910)
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-28SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2017-02-05SourceBinary.comNF
no factor from 2^71 to 2^72
2017-02-04guruNF
no factor from 2^70 to 2^71
2017-02-04guruNF
no factor from 2^69 to 2^70
2016-11-15nate.andersNF
no factor from 2^68 to 2^69
2016-03-28DerekNF
no factor from 2^67 to 2^68
2015-03-02aurashiftNF
no factor from 2^66 to 2^67
2012-12-21tscNF
no factor from 2^65 to 2^66
2010-12-25Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-19chargerNF
no factor from 2^63 to 2^64