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

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MnStatusDetails
104068241Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3746434528941477471127032478.32023-01-28 22:15:23
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2020-12-21confusedCoyote0C70FC20484567162962700613
P-1 factors
DateFactorB1B2
2023-01-2837464345289414774711270352100082955250
History
DateUserTypeResult
2023-01-28Mark RoseF-PM1
Factor: 374643452894147747112703 / (P-1, B1=521000, B2=82955250)
2020-12-21confusedCoyoteC-PRP
0C70FC2048456716
PRP: Verified (Factored)
PRP without proof (not generated)
2020-11-16confusedCoyoteNF-PM1
B1=1055000
2020-10-16George WoltmanNF
no factor from 2^75 to 2^76
2020-10-16ktonyNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2019-12-03NoodlesNF
no factor from 2^72 to 2^73
2014-12-25Simon HarrisonNF
no factor from 2^71 to 2^72
2014-08-06CSLatDDNF
no factor from 2^70 to 2^71
2014-07-31CSLatDDNF
no factor from 2^69 to 2^70
2014-07-27GrunwalderGIMPNF
no factor from 2^68 to 2^69
2014-07-26Andreas_TruetschNF
no factor from 2^67 to 2^68
2013-09-02RevZNF
no factor from 2^66 to 2^67
2012-05-03KoekieNF
no factor from 2^65 to 2^66
2010-08-25Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-18lindedNF
no factor from 2^63 to 2^64