Marin Mersenne 2^P-1
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MnStatusDetails
3796927Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
202330771632183534519432374.12009-11-28 03:07:00
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)1998-05-16Robert Friberg09C3AC9F37264A950
Verified (Factored)1999-12-15Ethan Hansen09C3AC9F37264A953603951
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbkBC64E01197D3DAF91013
Verified2017-12-09Oliver KruseBC64E01197D3DAF9122877613
History
DateUserTypeResult
2022-05-25JossNF-PM1
B1=100000, B2=130364850
2022-03-22JossNF-PM1
B1=100000
2022-03-05JossNF-PM1
B1=90000
2017-12-09Oliver KruseC-PRP
M3796927/20233077163218353451943 : BC64E01197D3DAF9
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M3796927/20233077163218353451943 : BC64E01197D3DAF9
PRP: Verified
PRP without proof (not generated)
2009-11-28Lukasz WrobelF-ECM
Factor: 20233077163218353451943
2009-07-15Carsten KossendeyNF-PM1
B1=20000, B2=270000
2009-02-28S485122NF
no factor from 2^60 to 2^61