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
30137Factored
FactorDigitsBitsDate
2457690220634787614872167.7old
37128753333160849480853104909809733108.22017-09-25 18:52:08
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000002964 / 4588
Estimated T-Level: 38.2
TF below 2^122 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse7BEA82A7908E46371013
Verified2017-09-27Oliver Kruse8EE1C5CD6D941ED32013
Verified2017-10-09Chang Chia-Tche8EE1C5CD6D941ED32013
Verified2017-10-13Oliver Kruse8EE1C5CD6D941ED3217313
Unverified2020-04-17Oliver Kruse8DD3E85FB2D34B__2613353
History
DateUserTypeResult
2022-10-16nordiNF-PM1
B1=3000000000, B2=920287779501090
2022-10-03nordiNF-PM1
B1=3000000000
2020-04-17Oliver KruseC-PRP
M30137/245769022063478761487/371287533331608494808531049098097 : 8DD3E85FB2D34B__
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M30137/245769022063478761487/371287533331608494808531049098097 : 8EE1C5CD6D941ED3
PRP without proof (small exponent)
2017-10-09Chang Chia-TcheC-PRP
M30137/known_factors : 8EE1C5CD6D941ED3
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M30137/245769022063478761487/371287533331608494808531049098097 : 8EE1C5CD6D941ED3
PRP without proof (not generated)
2017-09-25Oliver KruseC-PRP
M30137/245769022063478761487/371287533331608494808531049098097 : 8EE1C5CD6D941ED3
PRP without proof (not generated)
2017-09-25nordiF-ECM
Factor: 371287533331608494808531049098097 / (ECM curve 87, B1=3000000, B2=300000000)
2017-09-21Oliver KruseC-PRP
M30137/245769022063478761487 : 7BEA82A7908E4637
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M30137/245769022063478761487 : 7BEA82A7908E4637
PRP without proof (not generated)
2016-10-06kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12