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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MnDetails
2480081
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
184570604117211444.1old
ECM
DigitsB1Curves
2550000132 / 280
Estimated T-Level: 22.4
TF below 2^69 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 KruseE90C6A6C7916B6331175215553
Verified
PRP without proof (not generated)
2017-11-29storm5510E90C6A6C7916B6331162053053
History
DateUserTypeResult
2023-03-18Denial140NF-PM1B1=1000000, B2=6543255810
2022-08-17USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2480081/18457060411721 : E90C6A6C7916B633
2017-10-14Oliver KruseC-PRPM2480081/18457060411721 : E90C6A6C7916B633