Marin Mersenne 2^P-1
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MnStatusDetails
15163199Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
11734506155978645709701772580.02024-06-25 13:27:34
ECM
DigitsB1Curves
255000014 / 280
Estimated T-Level: 20.3 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-03-31zg00f109E3D11CEFA0D267673828
Verified (Factored)2005-12-12Bruce A Metcalf109E3D11CEFA0D269072769
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-06-30FeritinF06BBEBC902A9B1711313745453
P-1 factors
DateFactorB1B2
2024-06-2511734506155978645709701771600000824844930
History
DateUserTypeResult
2024-07-01Fox_McCloud_123CERT
PRP Certification
Proof certified good
2024-06-30FeritinC-PRP
M15163199/1173450615597864570970177 : F06BBEBC902A9B17
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-25Sid & AndyF-PM1
Factor: 1173450615597864570970177 / (P-1, B1=1600000, B2=824844930)
2023-07-03Sid & AndyNF
no factor from 2^72 to 2^73
2023-02-10ATHNF-PP1
Start=2/7, B1=1000000, B2=29000000
2021-10-09-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-03SRBaseNF
no factor from 2^70 to 2^71
2021-07-01lycornNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2014-05-14NesowaNF
no factor from 2^66 to 2^67
2014-05-14NesowaNF
no factor from 2^65 to 2^66