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

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MnStatusDetails
10263829Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
918306344212052167543752799153178334112.82024-03-09 17:26:28
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
Bad2000-08-10Timm Ryan1D56CD45676DD9D07693159
Verified (Factored)2004-07-13Daniel Swanson23873A8820BE80303454885
Verified (Factored)2004-07-26Shane Sanford23873A8820BE80302214365
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-03-15Perig674E8B6DC2872D4811013636253
P-1 factors
DateFactorB1B2
2024-03-09918306344212052167543752799153178320000002663048850
History
DateUserTypeResult
2024-03-15curtiscCERT
PRP Certification
Proof certified good
2024-03-15PerigC-PRP
M10263829/9183063442120521675437527991531783 : 674E8B6DC2872D48
PRP proof power = 8
PRP: Verified
Proof certified good
2024-03-09Sid & AndyF-PM1
Factor: 9183063442120521675437527991531783 / (P-1, B1=2000000, B2=2663048850)
2022-09-28Architects CubedNF
no factor from 2^71 to 2^72
2021-09-24mikrNF
no factor from 2^70 to 2^71
2020-12-26ViliamFNF-PM1
B1=1000000, B2=30000000, E=12
2020-07-31ViliamFNF
no factor from 2^69 to 2^70
2017-12-12ramgeisNF
no factor from 2^68 to 2^69
2017-09-26-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-02VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-27ThaNF
no factor from 2^65 to 2^66
2013-09-20NesowaNF
no factor from 2^64 to 2^65
2013-06-08NesowaNF-PM1
B1=125000, B2=2531250, E=6