Marin Mersenne 2^P-1
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MnStatusDetails
11954851Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
105691717730527271396169292683.12021-07-13 12:09:45
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)2002-03-16Henk Goedings10978EADD80B420610395763
Verified (Factored)2004-05-25Ing. Pavel PaJaSoft Janousek10978EADD80B42062685300
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-12-08ATH2D6A9DC43CC843C31659877853
P-1 factors
DateFactorB1B2
2021-07-13105691717730527271396169294316189127521607
History
DateUserTypeResult
2021-12-08ÇhuffoCERT
PRP Certification
Proof certified good
2021-12-08ATHC-PRP
M11954851/10569171773052727139616929 : 2D6A9DC43CC843C3
PRP proof power = 8
PRP: Verified
Proof certified good
2021-07-13LaurVF-PM1
Factor: 10569171773052727139616929 / (P-1, B1=4316189, B2=127521607)
2021-05-19lycornNF
no factor from 2^69 to 2^70
2019-05-12riccardo ubertiNF-PM1
B1=430000, B2=8500000, E=12
2018-01-10ramgeisNF
no factor from 2^68 to 2^69
2018-01-10ramgeisNF
no factor from 2^67 to 2^68
2016-03-06YxinityNF
no factor from 2^66 to 2^67
2013-10-20NesowaNF
no factor from 2^65 to 2^66
2013-10-06lycornNF
no factor from 2^64 to 2^65