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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
791419Factored
FactorDigitsBitsDate
99973384761064852791963.12009-09-14 10:08:09
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski2F930
Verified (Factored)Andrew ShawE5C179E2A84DEF930
Verified (Factored)Klaus KastensE5C179E2A84DEF93787258
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-28Oliver KruseD2537D930F2638491013
Verified2017-10-13Oliver KruseD2537D930F263849142825513
Verified2017-12-17ATHD2537D930F263849145542513
Unverified (Reliable)2020-04-21Oliver Kruse25A2C6A7019568__147849153
History
DateUserTypeResult
2020-04-21Oliver KruseC-PRP
M791419/9997338476106485279 : 25A2C6A7019568__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-17ATHC-PRP
M791419/9997338476106485279 : D2537D930F263849
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M791419/9997338476106485279 : D2537D930F263849
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M791419/9997338476106485279 : D2537D930F263849
PRP: Unverified (Reliable)
PRP without proof (not generated)
2009-09-14JimBaF-ECM
Factor: 9997338476106485279
2008-10-12Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-12Sturle SundeNF
no factor from 2^58 to 2^59