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
12659Factored
FactorDigitsBitsDate
24400475691031.2old
470130954731135.52008-08-26 19:58:38
126632728935431443.52008-08-26 19:58:38
60376947753212054880087545906547133108.92009-12-31 16:22:18
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001269 / 9201
Estimated T-Level: 40.7 ⓘ
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse0B663B2AA21D650F4013
Verified2017-10-02kkmrkkblmbrbk0B663B2AA21D650F4013
Verified2017-12-07ATH0B663B2AA21D650F4646013
Unverified2020-04-17Oliver Kruse66AA224437CF16__4330353
History
DateUserTypeResult
2023-05-22-Anonymous-NF-PM1
B1=100000000000, B2=120417199046794650
2022-02-05JossNF-PM1
B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRP
M12659/2440047569/47013095473/12663272893543/603769477532120548800875459065471 : 66AA224437CF16__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M12659/2440047569/47013095473/12663272893543/603769477532120548800875459065471 : 0B663B2AA21D650F
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M12659/2440047569/47013095473/12663272893543/603769477532120548800875459065471 : 0B663B2AA21D650F
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12659/2440047569/47013095473/12663272893543/603769477532120548800875459065471 : 0B663B2AA21D650F
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12659/2440047569/47013095473/12663272893543/603769477532120548800875459065471 : 0B663B2AA21D650F
PRP without proof (not generated)
2009-12-31Matthias WurtingerF-ECM
Factor: 603769477532120548800875459065471
2008-08-26-Anonymous-F
Factor: 12663272893543
2008-08-26-Anonymous-F
Factor: 47013095473