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:










MnStatusDetails
947719Factored
FactorDigitsBitsDate
7163234189677654071859.32014-09-14 22:11:08
2103638267975602670812167.52007-09-12 01:50:15
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
Verified2017-09-30alpertron6DC7270496E9E8DF2013
Verified2017-10-15Oliver Kruse6DC7270496E9E8DF278184613
Unverified (Reliable)2020-04-24Oliver Kruse90E4AF8FE3D0C3__223548053
P-1 factors
DateFactorB1B2
2014-09-147163234189677654072000005000000
History
DateUserTypeResult
2020-04-24Oliver KruseC-PRP
M947719/716323418967765407/210363826797560267081 : 90E4AF8FE3D0C3__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-15Oliver KruseC-PRP
M947719/210363826797560267081/716323418967765407 : 6DC7270496E9E8DF
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-30alpertronC-PRP
M947719/210363826797560267081/716323418967765407 : 6DC7270496E9E8DF
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M947719/210363826797560267081/716323418967765407 : 6DC7270496E9E8DF
PRP without proof (not generated)
2014-09-14alpertronF-PM1
Factor: 716323418967765407 / (P-1, B1=200000, B2=5000000, E=6)
2007-09-12Chad DavisF-ECM
Factor: 210363826797560267081