Marin Mersenne 2^P-1
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MnStatusDetails
344969Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
10954916087319365904972269.92009-03-30 15:07:26
ECM
DigitsB1Curves
2550000280 / 280
30250000527 / 640
Estimated T-Level: 29.1
TF below 2^92 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski1DF90
Verified (Factored)Unknown1DF90
Verified (Factored)Guillermo Ballester Valor1AF342775C111DF90
Verified (Factored)Eivind Triel1AF342775C111DF9337816
Verified (Factored)2002-01-22Dennis Pope1AF342775C111DF9120569
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse80E9E777B19CA2AD1013
Verified2017-10-13kkmrkkblmbrbk80E9E777B19CA2AD131896613
Verified2020-04-18Oliver KruseC6D64AFAF5053431126993653
Verified2024-09-13kkmrkkblmbrbkC6D64AFAF5053431111195053
History
DateUserTypeResult
2024-10-09yuriy_5-1NF-PM1
B1=12000002, B2=2124117455460
2024-09-13LOBESCERT
PRP Certification
Proof certified good
2024-09-13kkmrkkblmbrbkC-PRP
M344969/1095491608731936590497 : C6D64AFAF5053431
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
M344969/1095491608731936590497 : C6D64AFAF5053431
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M344969/1095491608731936590497 : 80E9E777B19CA2AD
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M344969/1095491608731936590497 : 80E9E777B19CA2AD
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M344969/1095491608731936590497 : 80E9E777B19CA2AD
PRP without proof (not generated)
2009-03-30Sturle SundeF-ECM
Factor: 1095491608731936590497
2009-01-26Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-30Sturle SundeNF
no factor from 2^58 to 2^59