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
1799311Factored
FactorDigitsBitsDate
3037116410983293587032168.02008-09-08 01:23:29
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 English03603325D64017BB0
Verified (Factored)1998-12-21Jonathan O'Keeffe03603325D64017BB659432
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-03Oliver Kruse6674EB199B11803C1013
Verified2017-11-05kkmrkkblmbrbk6674EB199B11803C1145433713
History
DateUserTypeResult
2017-11-05kkmrkkblmbrbkC-PRP
M1799311/303711641098329358703 : 6674EB199B11803C
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1799311/303711641098329358703 : 6674EB199B11803C
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-09-08Scott KurowskiF-ECM
Factor: 303711641098329358703