Marin Mersenne 2^P-1
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MnStatusDetails
332251Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
125195896180567593337512373.42009-11-19 00:33:35
ECM
DigitsB1Curves
2550000280 / 280
30250000457 / 640
Estimated T-Level: 28.6
TF below 2^90 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski1EE50
Verified (Factored)Unknown1EE50
Verified (Factored)Klaus KastensF7398EE9037C9EE50
Verified (Factored)Eivind TrielF7398EE9037C9EE599439
Verified (Factored)2002-02-03Dennis PopeF7398EE9037C9EE5138591
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse6421BB105419D8671013
Verified2017-09-24Oliver Kruse6421BB105419D8671013
Verified2017-11-07kkmrkkblmbrbk6421BB105419D867124215713
Verified2020-04-18Oliver Kruse40412032B592FBC818905053
Verified2024-09-07kkmrkkblmbrbk40412032B592FBC8132146553
History
DateUserTypeResult
2024-10-10yuriy_5-1NF-PM1
B1=12000002, B2=2107215910800
2024-09-07Will KCERT
PRP Certification
Proof certified good
2024-09-07kkmrkkblmbrbkC-PRP
M332251/12519589618056759333751 : 40412032B592FBC8
PRP proof power = 5
PRP: Verified
Proof certified good
2024-02-16Denial140NF-PM1
B1=1000000, B2=8866035360
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M332251/12519589618056759333751 : 40412032B592FBC8
PRP: Verified
PRP without proof (small exponent)
2017-11-07kkmrkkblmbrbkC-PRP
M332251/12519589618056759333751 : 6421BB105419D867
PRP: Verified
PRP without proof (small exponent)
2017-09-24Oliver KruseC-PRP
M332251/12519589618056759333751 : 6421BB105419D867
PRP: Verified
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M332251/12519589618056759333751 : 6421BB105419D867
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M332251/12519589618056759333751 : 6421BB105419D867
PRP without proof (not generated)
2009-11-19Sturle SundeF-ECM
Factor: 12519589618056759333751
2009-01-24Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-29Sturle SundeNF
no factor from 2^58 to 2^59