Marin Mersenne 2^P-1
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MnStatusDetails
3391537Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3633472662082823657032168.32009-07-10 14:36:06
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)INTERSHOP Communications74809E038EEDDA5E0
Verified (Factored)1999-08-22Morten.Schmidt 274809E038EEDDA5E990744
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-05Oliver Kruse955E7AE5D3CD816F1269688453
Verified2017-12-15kkmrkkblmbrbk955E7AE5D3CD816F1337903653
History
DateUserTypeResult
2022-09-05JossNF-PM1
B1=1130512, B2=213226650
2022-04-24LordJuliusNF
no factor from 2^66 to 2^67
2022-04-24LordJuliusNF
no factor from 2^65 to 2^66
2022-04-24LordJuliusNF
no factor from 2^64 to 2^65
2022-04-24LordJuliusNF
no factor from 2^63 to 2^64
2022-04-24LordJuliusNF
no factor from 2^62 to 2^63
2022-04-24LordJuliusNF
no factor from 2^1 to 2^62
2022-01-09JossNF-PM1
B1=1130512, B2=111642300
2021-05-15JossNF
no factor from 2^67 to 2^68
2021-03-14JossNF-PM1
B1=339153, B2=3730690, E=6
2017-12-15kkmrkkblmbrbkC-PRP
M3391537/363347266208282365703 : 955E7AE5D3CD816F
PRP: Verified
PRP without proof (not generated)
2017-11-05Oliver KruseC-PRP
M3391537/363347266208282365703 : 955E7AE5D3CD816F
PRP: Verified
PRP without proof (not generated)
2009-07-10Carsten KossendeyF-PM1
Factor: 363347266208282365703
2009-03-25S485122NF
no factor from 2^60 to 2^61