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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1146797Factored
FactorDigitsBitsDate
145813250828661062130972373.62015-04-05 02:10:20
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 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)David Slowinski18CF0
Verified (Factored)Kenneth Forward257B334ADB5AB8CF0
Verified (Factored)2002-07-06S57483257B334ADB5AB8CF434174
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-29Oliver Kruse9F74B3C04322C2C01013
Verified2017-10-17Oliver Kruse9F74B3C04322C2C0124393513
Verified2018-01-06ATH9F74B3C04322C2C0191732413
P-1 factors
DateFactorB1B2
2015-04-05145813250828661062130975000000200000000
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2018-01-06ATHC-PRP
M1146797/14581325082866106213097 : 9F74B3C04322C2C0
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M1146797/14581325082866106213097 : 9F74B3C04322C2C0
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1146797/14581325082866106213097 : 9F74B3C04322C2C0
PRP: Verified
PRP without proof (not generated)
2015-04-05mikrF-PM1
Factor: 14581325082866106213097 / (P-1, B1=5000000, B2=200000000, E=12)
2015-01-11lycornNF
no factor from 2^64 to 2^65
2014-12-28Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-12-01dbaughNF
no factor from 2^62 to 2^63
2012-08-29AxelssonNF
no factor from 2^61 to 2^62
2012-02-01markrNF-PM1
B1=500000, B2=10000000, E=12
2009-04-14Sturle SundeNF
no factor from 2^60 to 2^61