Marin Mersenne 2^P-1
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MnStatusDetails
11293523Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2057677341262843880452573178411932104.02024-05-13 06:34:56
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-07-17Ravi MikkilineniA72741E194FC2AFA5449273
Verified (Factored)2004-04-29Ars Technica Team Prime RibA72741E194FC2AFA2920542
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-05-13vshA13F85E0BC885A7A1125498753
P-1 factors
DateFactorB1B2
2024-05-13205767734126284388045257317841191000000020021278200
History
DateUserTypeResult
2024-05-13argiloCERT
PRP Certification
Proof certified good
2024-05-13vshC-PRP
M11293523/20576773412628438804525731784119 : A13F85E0BC885A7A
PRP proof power = 8
PRP: Verified
Proof certified good
2024-05-13vshF-PM1
Factor: 20576773412628438804525731784119 / (P-1, B1=10000000, B2=20021278200)
2021-12-19LaurVNF-PM1
B1=6189107, B2=185673210
2021-10-30SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
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
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-02-08NumberwangNF
no factor from 2^65 to 2^66
2013-11-20lycornNF
no factor from 2^64 to 2^65