Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1754713Factored
FactorDigitsBitsDate
23894868807045488614904475772890.92017-11-13 12:00:24
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)Cornelius CaesarC6E02284A1B39E880
Verified (Factored)1999-03-15Paul BickfordC6E02284A1B39E88783426
Verified (Factored)2015-06-27MadPooC6E02284A1B39E881010598
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-14Oliver Kruse4C55D1218BAA324E114059353
Verified2017-11-14kkmrkkblmbrbk4C55D1218BAA324E140233353
History
DateUserTypeResult
2017-11-14kkmrkkblmbrbkC-PRP
M1754713/2389486880704548861490447577 : 4C55D1218BAA324E
PRP: Verified
PRP without proof (not generated)
2017-11-14Oliver KruseC-PRP
M1754713/2389486880704548861490447577 : 4C55D1218BAA324E
PRP: Verified
PRP without proof (not generated)
2017-11-13bamF-ECM
Factor: 2389486880704548861490447577 / (ECM curve 1, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2015-09-06ramgeisNF
no factor from 2^65 to 2^66
2015-06-27MadPooC-LL
C6E02284A1B39E88
2015-05-13snme2pm1NF
no factor from 2^64 to 2^65
2015-05-13snme2pm1NF
no factor from 2^63 to 2^64
2015-04-24mikrNF-PM1
B1=2475400, B2=86660000, E=12
2014-09-16-Anonymous-NF-PM1
B1=173156
2014-05-06JossNF-PM1
B1=136578
2014-04-08JossNF-PM1
B1=100000
2011-02-07Carsten KossendeyNF-PM1
B1=95000, B2=1567500, E=6
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-21Architects CubedNF
no factor from 2^60 to 2^61