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

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MnStatusDetails
10364287Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
188726513133691547257512374.02024-03-22 20:00:06
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-09-16Markus Volk127DADC395BDFB0B8638572
Verified (Factored)2003-11-16Bent Jacobsen127DADC395BDFB0B2725251
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-03-28PerigB87F1BE0578077201395806253
P-1 factors
DateFactorB1B2
2024-03-221887265131336915472575120000002585571450
History
DateUserTypeResult
2024-03-28MxguyCERT
PRP Certification
Proof certified good
2024-03-28PerigC-PRP
M10364287/18872651313369154725751 : B87F1BE057807720
PRP proof power = 8
PRP: Verified
Proof certified good
2024-03-22Sid & AndyF-PM1
Factor: 18872651313369154725751 / (P-1, B1=2000000, B2=2585571450)
2021-04-16-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-16-Anonymous-NF
no factor from 2^70 to 2^71
2020-08-05ViliamFNF
no factor from 2^69 to 2^70
2017-11-16ramgeisNF
no factor from 2^68 to 2^69
2017-09-26-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-01ThaNF
no factor from 2^65 to 2^66
2012-02-13James HeinrichNF-PM1
B1=200000, B2=4650000, E=6
2012-01-20James HeinrichNF
no factor from 2^64 to 2^65