Marin Mersenne 2^P-1
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MnStatusDetails
9368987Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
130536114228823095294892373.52023-01-12 22:27:40
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)2000-08-31David AllenD79F21BA58898B686456187
Verified (Factored)2003-04-27Marc Getty / Phil FizurD79F21BA58898B68494405
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-01-19TravisJankC9A64C1BD98895C8145296653
P-1 factors
DateFactorB1B2
2023-01-121305361142288230952948920000004771857090
History
DateUserTypeResult
2023-01-19sinnesloschenCERT
PRP Certification
Proof certified good
2023-01-19TravisJankC-PRP
M9368987/13053611422882309529489 : C9A64C1BD98895C8
PRP proof power = 8
PRP: Verified
Proof certified good
2023-01-12ThaF-PM1
Factor: 13053611422882309529489 / (P-1, B1=2000000, B2=4771857090)
2020-12-13-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-13-Anonymous-NF
no factor from 2^69 to 2^70
2020-08-31storm5510NF-PM1
B1=245000, B2=6619000, E=12
2019-09-11mnd9NF
no factor from 2^68 to 2^69
2017-04-26snme2pm1NF
no factor from 2^67 to 2^68
2016-05-17snme2pm1NF
no factor from 2^66 to 2^67
2015-05-08VictordeHollanderNF
no factor from 2^65 to 2^66
2013-09-05NesowaNF
no factor from 2^64 to 2^65