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
1485017Factored
FactorDigitsBitsDate
8910103723.1old
11880137823.52008-07-15 10:01:55
89075966632628066259372272.92017-11-24 16:50:25
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 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
Verified (Factored)2017-10-01Oliver KruseCA9BF8EAB2A37BBF2013
Verified (Factored)2017-11-05kkmrkkblmbrbkCA9BF8EAB2A37BBF296884213
Verified2017-11-25kkmrkkblmbrbk56307950CF477FAC339297353
Verified2017-11-25ATH56307950CF477FAC398968853
History
DateUserTypeResult
2023-12-01Anton TsvetkovNF-PM1
B1=5000000, B2=1006114200
2017-11-25ATHC-PRP
M1485017/8910103/11880137/8907596663262806625937 : 56307950CF477FAC
PRP: Verified
PRP without proof (not generated)
2017-11-25kkmrkkblmbrbkC-PRP
M1485017/8910103/11880137/8907596663262806625937 : 56307950CF477FAC
PRP: Verified
PRP without proof (not generated)
2017-11-24ATHF-ECM
Factor: 8907596663262806625937 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-05kkmrkkblmbrbkC-PRP
M1485017/8910103/11880137 : CA9BF8EAB2A37BBF
PRP: Verified
PRP without proof (not generated)
2017-10-01Oliver KruseC-PRP
M1485017/8910103/11880137 : CA9BF8EAB2A37BBF
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-15J FeitsmaF
Factor: 11880137