Marin Mersenne 2^P-1
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MnStatusDetails
2934913Factored
FactorDigitsBitsDate
17634463501736367094312270.62021-01-09 22:28:57
ECM
DigitsB1Curves
255000049 / 280
Estimated T-Level: 20.9 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Jeroen van Gelderen and friendsBAA824A58FF6F6920
Verified (Factored)1999-06-06Jan TichýBAA824A58FF6F69251527
Verified (Factored)2018-10-08kkmrkkblmbrbkBAA824A58FF6F692218482
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-01-11EricBock74BDD2C58DC340CE1152159653
History
DateUserTypeResult
2021-01-11Theo P.CERT
PRP Certification
Proof certified good
2021-01-11EricBockC-PRP
M2934913/1763446350173636709431 : 74BDD2C58DC340CE
PRP proof power = 7
PRP: Verified
Proof certified good
2021-01-09Denis PorvaF-ECM
Factor: 1763446350173636709431 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3426997539945580)
2018-12-21chuenkitNF
no factor from 2^67 to 2^68
2018-10-08kkmrkkblmbrbkC-LL
BAA824A58FF6F692
2017-11-23Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2016-02-23ramgeisNF
no factor from 2^65 to 2^66
2015-04-29VictordeHollanderNF-PM1
B1=1000000, B2=20000000, E=12
2015-04-25VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-25VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-12-18Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-11-09markrNF-PM1
B1=105000, B2=2283750, E=6
2009-02-14Sturle SundeNF
no factor from 2^60 to 2^61