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
2505101
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
80163233826.3old
ECM
DigitsB1Curves
2550000187 / 280
Estimated T-Level: 23.3
TF below 2^73 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 Kruse2A6525626B6B307D1120456853
Verified
PRP without proof (not generated)
2017-11-30storm55102A6525626B6B307D184759753
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=240000, B2=199861200
2017-11-30storm5510C-PRP
M2505101/80163233 : 2A6525626B6B307D
2017-10-14Oliver KruseC-PRP
M2505101/80163233 : 2A6525626B6B307D