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

PrimeNet Exponent Status

Exponent Range:





MnDetails
751
Composite, with 2 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
22764024512532445092774588186840266769462045797638178267254980648766217.1old
649350031993701145000770421833385175732182460285930574852308914989767221.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_2013
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM751/227640245125324450927745881868402667694620457976381782672549806487/6493500319937011450007704218333851757321824602859305748523089149897
PRP Cofactor
2002-01-02-anonymous-NF-PM1B1=67108864, B2=4290000000
2002-01-02-anonymous-NF-PM1B1=16777216, B2=1677721600
2002-01-02-anonymous-NF-PM1B1=33554432, B2=3355443200
2001-05-20-anonymous-NFno factor TF: 1-57
2001-05-13-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2001-02-11-anonymous-NF-PM1B1=10000000, B2=1000000000
2001-02-04-anonymous-NF-PM1B1=1000000, B2=100000000
2000-06-28-anonymous-NFno factor TF: 1-56
2000-01-12-anonymous-NFno factor TF: 54-55
1998-08-16-anonymous-NFno factor TF: 53-54
1998-04-05-anonymous-NFno factor TF: 51-53