Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2461703Factored
FactorDigitsBitsDate
15410260791030.5old
3343386546491238.32008-07-14 20:24:03
373302260350514471755.12015-01-02 12:44:09
ECM
DigitsB1Curves
255000061 / 280
Estimated T-Level: 21.1 ⓘ
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-13Oliver KruseEC26326C2C18DE6C395529653
Verified2017-11-29kkmrkkblmbrbkEC26326C2C18DE6C35091753
History
DateUserTypeResult
2018-09-28alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-29kkmrkkblmbrbkC-PRP
M2461703/1541026079/334338654649/37330226035051447 : EC26326C2C18DE6C
PRP: Verified
PRP without proof (not generated)
2017-10-13Oliver KruseC-PRP
M2461703/1541026079/334338654649/37330226035051447 : EC26326C2C18DE6C
PRP: Verified
PRP without proof (not generated)
2015-01-02TJAOIF
Factor: 37330226035051447 / TF: 55-56
2008-07-14George WoltmanF-ECM
Factor: 334338654649