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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2245739Factored
FactorDigitsBitsDate
49893310226745801431962.12008-12-24 17:53:10
ECM
DigitsB1Curves
255000083 / 280
Estimated T-Level: 21.5 ⓘ
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)nphan51B4CC098127B9240
Verified (Factored)1999-02-21tester51B4CC098127B924549803
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-10Oliver Kruse62CA8D418BBD12691013
Verified2017-11-29kkmrkkblmbrbk62CA8D418BBD12691145453413
History
DateUserTypeResult
2017-11-29kkmrkkblmbrbkC-PRP
M2245739/4989331022674580143 : 62CA8D418BBD1269
PRP: Verified
PRP without proof (not generated)
2017-10-10Oliver KruseC-PRP
M2245739/4989331022674580143 : 62CA8D418BBD1269
PRP: Verified
PRP without proof (not generated)
2016-04-29alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-12-24XyzzyF-ECM
Factor: 4989331022674580143