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:





MnDetails
2542471
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
40679537825.3old
ECM
DigitsB1Curves
2550000189 / 280
Estimated T-Level: 23.4
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 KruseDD9ECA7C5990168E182817453
Verified
PRP without proof (not generated)
2017-12-01storm5510DD9ECA7C5990168E177660553
History
DateUserTypeResult
2022-08-24USAFSSNF-PM1B1=300000, B2=259451010
2017-12-01storm5510C-PRPM2542471/40679537 : DD9ECA7C5990168E
2017-10-14Oliver KruseC-PRPM2542471/40679537 : DD9ECA7C5990168E