Marin Mersenne 2^P-1
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MnStatusDetails
14151337Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
44517091002083427237511672581.92022-03-25 13:06:58
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-01-15Stig M. ValstadEC31197FEF5C506413086933
Verified (Factored)2005-04-11Ars Technica Team Prime RibEC31197FEF5C506412288228
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-01-02rucioAA305143F18845431658955053
P-1 factors
DateFactorB1B2
2022-03-25445170910020834272375116720000001004274810
History
DateUserTypeResult
2023-01-02Ge yongCERT
PRP Certification
Proof certified good
2023-01-02rucioC-PRP
M14151337/4451709100208342723751167 : AA305143F1884543
PRP proof power = 8
PRP: Verified
Proof certified good
2022-03-25alpertronF-PM1
Factor: 4451709100208342723751167 / (P-1, B1=2000000, B2=1004274810)
2021-10-06Alex KruppaNF
no factor from 2^71 to 2^72
2021-09-01SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2017-10-16ramgeisNF
no factor from 2^68 to 2^69
2017-05-05mikrNF
no factor from 2^67 to 2^68
2015-08-26ThaNF
no factor from 2^66 to 2^67
2014-07-29NesowaNF
no factor from 2^65 to 2^66