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
910453Factored
FactorDigitsBitsDate
126030720090112725672063.52008-01-29 22:15:08
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.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-28Oliver Kruse5504675A845130851013
Verified2017-10-14Oliver Kruse5504675A84513085171487013
Verified2017-12-21ATH5504675A84513085117509213
Unverified (Reliable)2020-04-23Oliver Kruse8600981F6378A2__150757253
History
DateUserTypeResult
2020-04-23Oliver KruseC-PRP
M910453/12603072009011272567 : 8600981F6378A2__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-21ATHC-PRP
M910453/12603072009011272567 : 5504675A84513085
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-14Oliver KruseC-PRP
M910453/12603072009011272567 : 5504675A84513085
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M910453/12603072009011272567 : 5504675A84513085
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=200000, B2=5000000, E=6
2008-01-29Steve ScottF-ECM
Factor: 12603072009011272567