Marin Mersenne 2^P-1
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MnStatusDetails
2635189Factored
FactorDigitsBitsDate
11040221506385538071692269.92021-01-27 06:10:11
ECM
DigitsB1Curves
255000088 / 280
Estimated T-Level: 21.6
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Coen GronertFCC8B84772BCDA700
Verified (Factored)1999-04-13Carl MikkelsenFCC8B84772BCDA701341354
Verified (Factored)2018-07-11kkmrkkblmbrbkFCC8B84772BCDA70433317
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-01-29Klaus Nordmann17CDC906D7C8F4351160380953
Verified2021-03-15Anton Repko17CDC906D7C8F43515604553
History
DateUserTypeResult
2021-03-15curtiscCERT
PRP Certification
Proof certified good
2021-03-15Anton RepkoC-PRP
M2635189/1104022150638553807169 : 17CDC906D7C8F435
PRP proof power = 7
PRP: Verified
Proof certified good
2021-01-29Klaus NordmannC-PRP
M2635189/1104022150638553807169 : 17CDC906D7C8F435
PRP proof power = 7
PRP: Verified
PRP proof never uploaded
2021-01-27daveward2005F-ECM
Factor: 1104022150638553807169 / (ECM curve 5, B1=50000, B2=5000000, Sigma=1173856526449705)
2019-10-30masserNF-PM1
B1=2640000, B2=26400000, E=12
2019-03-18TJAOINF
no factor from 2^67 to 2^68
2018-07-11kkmrkkblmbrbkC-LL
FCC8B84772BCDA70
2017-09-01Gordon SpenceNF
no factor from 2^66 to 2^67
2017-04-27JossNF-PM1
B1=360000, B2=3600000, E=6
2016-12-26JossNF-PM1
B1=206385
2016-12-24JossNF-PM1
B1=171988
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2016-01-19ramgeisNF
no factor from 2^65 to 2^66
2015-02-23VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-23VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-14dbaughNF
no factor from 2^62 to 2^63
2012-06-08Grant McCrackenNF
no factor from 2^61 to 2^62
2011-01-19James HeinrichNF-PM1
B1=180000, B2=4275000, E=6
2009-06-21USAFSSNF-PM1
B1=30000, B2=420000
2009-01-28Sturle SundeNF
no factor from 2^60 to 2^61