Marin Mersenne 2^P-1
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MnStatusDetails
10887319Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
152655642240555913655272373.72024-03-23 11:03:16
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)2000-11-05David Willmore4AD476B8B483967B1978247
Verified (Factored)2004-02-14michael4AD476B8B483967B7332860
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-03-28Perig2078E18C8432B1C21838918153
P-1 factors
DateFactorB1B2
2024-03-231526556422405559136552723000001663207260
History
DateUserTypeResult
2024-03-28WayneGCERT
PRP Certification
Proof certified good
2024-03-28PerigC-PRP
M10887319/15265564224055591365527 : 2078E18C8432B1C2
PRP proof power = 8
PRP: Verified
Proof certified good
2024-03-23Sid & AndyF-PM1
Factor: 15265564224055591365527 / (P-1, B1=2300000, B2=1663207260)
2021-11-02SRBaseNF
no factor from 2^71 to 2^72
2021-08-13SRBaseNF
no factor from 2^70 to 2^71
2020-09-17ViliamFNF
no factor from 2^69 to 2^70
2017-12-22ramgeisNF
no factor from 2^68 to 2^69
2017-12-22ramgeisNF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-18ThaNF
no factor from 2^65 to 2^66
2013-12-08lycornNF
no factor from 2^64 to 2^65