Marin Mersenne 2^P-1
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MnStatusDetails
2543027Factored
FactorDigitsBitsDate
4466324235553760305398412478.62020-07-01 13:31:41
ECM
DigitsB1Curves
255000041 / 280
Estimated T-Level: 20.7
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Thomas Honold61A7B102302F549D0
Verified (Factored)1999-04-13William Galway61A7B102302F549D754362
Verified (Factored)2018-06-10kkmrkkblmbrbk61A7B102302F549D1412352
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-07-01ATH98FDB1336FB0FCF11237915653
Verified2020-07-02marssystems98FDB1336FB0FCF1142501653
History
DateUserTypeResult
2020-07-02marssystemsC-PRP
M2543027/446632423555376030539841 : 98FDB1336FB0FCF1
PRP: Verified
PRP without proof (not generated)
2020-07-01ATHC-PRP
M2543027/446632423555376030539841 : 98FDB1336FB0FCF1
PRP: Verified
PRP without proof (not generated)
2020-07-01GANF-ECM
Factor: 446632423555376030539841 / (ECM curve 2, B1=50000, B2=5000000, Sigma=2255210758673850)
2019-04-08TJAOINF
no factor from 2^67 to 2^68
2018-09-16mikrNF-PM1
B1=3000000, B2=135000000, E=12
2018-08-13JossNF-PM1
B1=600000, B2=6000000, E=6
2018-06-10kkmrkkblmbrbkC-LL
61A7B102302F549D
2017-08-08Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-11-08ramgeisNF
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
2012-06-15Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-02-28James HeinrichNF-PM1
B1=300000, B2=8000000, E=12
2011-01-07JossNF-PM1
B1=50000
2011-01-02JossNF-PM1
B1=30000
2010-12-19JossNF-PM1
B1=20000
2009-01-31Sturle SundeNF
no factor from 2^60 to 2^61