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
719671Factored
FactorDigitsBitsDate
355589441111135.0old
28633792860733180663642669051636933107.82023-01-01 11:05:59
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse2037BC3702D56F951013
Verified (Factored)2017-09-28Oliver Kruse2037BC3702D56F951013
Verified (Factored)2017-11-09kkmrkkblmbrbk2037BC3702D56F95154648713
Verified (Factored)2020-04-20Oliver Kruse70A4EBB926F8073D125524453
Verified2023-01-02LordJulius70A4EBB926F8073D261956453
P-1 factors
DateFactorB1B2
2023-01-0128633792860733180663642669051636916500004141519200
History
DateUserTypeResult
2023-01-02curtiscCERT
PRP Certification
Proof certified good
2023-01-02LordJuliusC-PRP
M719671/35558944111/286337928607331806636426690516369 : 70A4EBB926F8073D
PRP proof power = 6
PRP: Verified
Proof certified good
2023-01-01USAFSSF-PM1
Factor: 286337928607331806636426690516369 / (P-1, B1=1650000, B2=4141519200)
2020-04-20Oliver KruseC-PRP
M719671/35558944111 : 70A4EBB926F8073D
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M719671/35558944111 : 2037BC3702D56F95
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M719671/35558944111 : 2037BC3702D56F95
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M719671/35558944111 : 2037BC3702D56F95
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12