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
3435577Factored
FactorDigitsBitsDate
59150947612871342.4old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-06Oliver KruseEAF854880AA4947A18331853
Verified2017-12-16kkmrkkblmbrbkEAF854880AA4947A1180588453
P-1 factors
DateFactorB1B2
2022-01-2159150947612879000090000
History
DateUserTypeResult
2022-04-10JossNF-PM1
B1=1000000, B2=126668850
2022-01-21JossF-PM1
Factor: 5915094761287 / (P-1, B1=90000, B2=90000)
2021-06-06JossNF
no factor from 2^67 to 2^68
2017-12-16kkmrkkblmbrbkC-PRP
M3435577/5915094761287 : EAF854880AA4947A
PRP: Verified
PRP without proof (not generated)
2017-11-06Oliver KruseC-PRP
M3435577/5915094761287 : EAF854880AA4947A
PRP: Verified
PRP without proof (not generated)