Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
1799453Factored
FactorDigitsBitsDate
1174683501676356351108072476.62015-06-18 04:30:27
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Larry English368CEBC04105FB290
Verified (Factored)1998-12-21Carlo Baffa368CEBC04105FB29805803
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-03Oliver Kruse962AAB97E6F61C7D1013
Verified2017-11-05kkmrkkblmbrbk962AAB97E6F61C7D122098113
P-1 factors
DateFactorB1B2
2015-06-1811746835016763563511080724754000
History
DateUserTypeResult
2023-04-17Kevin_9611NF-PM1
B1=2980000, B2=5491204950
2017-11-05kkmrkkblmbrbkC-PRP
M1799453/117468350167635635110807 : 962AAB97E6F61C7D
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1799453/117468350167635635110807 : 962AAB97E6F61C7D
PRP: Verified
PRP without proof (not generated)
2015-06-18mikrF-PM1
Factor: 117468350167635635110807 / (P-1, B1=2475400)
2015-05-15snme2pm1NF
no factor from 2^64 to 2^65
2015-05-15snme2pm1NF
no factor from 2^63 to 2^64
2014-09-19JossNF-PM1
B1=171338
2014-05-09JossNF-PM1
B1=135669
2011-02-09Carsten KossendeyNF-PM1
B1=100000, B2=1650000, E=6
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-19Architects CubedNF
no factor from 2^60 to 2^61