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
2453273Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2097597480471237.6old
17849621824331340.72008-07-14 20:23:59
103679389413191443.22008-09-30 14:37:02
ECM
DigitsB1Curves
2550000268 / 280
Estimated T-Level: 24.8
TF below 2^77 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-13Oliver KruseE743812873FC1F9D326264353
Verified2017-11-28ATHE743812873FC1F9D3141903153
History
DateUserTypeResult
2018-09-28alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-28ATHC-PRP
M2453273/209759748047/1784962182433/10367938941319 : E743812873FC1F9D
PRP: Verified
PRP without proof (not generated)
2017-10-13Oliver KruseC-PRP
M2453273/209759748047/1784962182433/10367938941319 : E743812873FC1F9D
PRP: Verified
PRP without proof (not generated)
2008-09-30markrF
Factor: 10367938941319
2008-07-14George WoltmanF-ECM
Factor: 1784962182433