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

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Exponent Range:





MnDetails
2522441
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
28914186245991341.4old
ECM
DigitsB1Curves
255000093 / 280
Estimated T-Level: 21.7
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver KruseDA9BBFD96A492B83157576153
Verified
PRP without proof (not generated)
2017-11-30storm5510DA9BBFD96A492B83199985253
History
DateUserTypeResult
2022-08-21USAFSSNF-PM1B1=240000, B2=199861200
2017-11-30storm5510C-PRPM2522441/2891418624599 : DA9BBFD96A492B83
2017-10-14Oliver KruseC-PRPM2522441/2891418624599 : DA9BBFD96A492B83