Marin Mersenne 2^P-1
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MnStatusDetails
2232337Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
52519624180921283080332272.22020-02-28 23:50:12
136767120805384064861554732683.52024-04-03 19:14:14
ECM
DigitsB1Curves
2550000280 / 280
30250000141 / 640
Estimated T-Level: 26.1 ⓘ
TF below 2^82 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-03-09Jamie Foster545ABAB817145E620
Verified (Factored)1999-02-21Ron Lavallee545ABAB817145E62242426
Verified (Factored)2018-04-20kkmrkkblmbrbk545ABAB817145E621059758
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2020-02-29Niels_Mache_Nextcloud7C99F29551020AB71216030253
Verified (Factored)2020-03-01oodaira7C99F29551020AB71112643153
Verified2024-04-05Naegi Makoto7C99F29551020AB72190100953
History
DateUserTypeResult
2024-04-05Chad Steenerson CERT
PRP Certification
Proof certified good
2024-04-05Naegi MakotoC-PRP
M2232337/5251962418092128308033/13676712080538406486155473 : 7C99F29551020AB7
PRP proof power = 7
PRP: Verified
Proof certified good
2024-04-03debrouxlF-ECM
Factor: 13676712080538406486155473 / (ECM curve 30, B1=56666, B2=8046572, Sigma=1680045744737158)
2020-03-01oodairaC-PRP
M2232337/5251962418092128308033 : 7C99F29551020AB7
PRP: Verified (Factored)
PRP without proof (not generated)
2020-02-29Niels_Mache_NextcloudC-PRP
M2232337/5251962418092128308033 : 7C99F29551020AB7
PRP: Verified (Factored)
PRP without proof (not generated)
2020-02-28MarkSF-ECM
Factor: 5251962418092128308033 / (ECM curve 3, B1=50000, B2=5000000, Sigma=7632871302169015)
2019-04-15TJAOINF
no factor from 2^67 to 2^68
2018-04-20kkmrkkblmbrbkC-LL
545ABAB817145E62
2016-12-23Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-01-07Alexander DubrovinNF-PM1
B1=2000000, B2=65000000, E=12
2015-11-26Alexander DubrovinNF-PM1
B1=1300000, B2=11000000, E=12
2015-10-25ramgeisNF
no factor from 2^65 to 2^66
2015-03-10VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-10VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-30JossNF-PM1
B1=142504
2014-05-26JossNF-PM1
B1=113752
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-04-20Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-13Oscar ÖstlinNF-PM1
B1=85000, B2=1615000, E=6
2010-10-26Oscar ÖstlinNF-PM1
B1=75011
2009-01-11Sturle SundeNF
no factor from 2^60 to 2^61