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
2717027Factored
FactorDigitsBitsDate
2544660581147841364072167.82009-03-08 14:29:54
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Robert FribergBAA9D53B60B5CBD50
Verified (Factored)1999-05-23Nev GammonBAA9D53B60B5CBD52647535
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-19Oliver KruseF766CA63279B2497173757453
Verified2017-12-04kkmrkkblmbrbkF766CA63279B24971200744453
History
DateUserTypeResult
2023-01-26USAFSSNF-PM1
B1=288000, B2=226423890
2017-12-04kkmrkkblmbrbkC-PRP
M2717027/254466058114784136407 : F766CA63279B2497
PRP: Verified
PRP without proof (not generated)
2017-10-19Oliver KruseC-PRP
M2717027/254466058114784136407 : F766CA63279B2497
PRP: Verified
PRP without proof (not generated)
2009-03-08SubPrimeF-ECM
Factor: 254466058114784136407
2009-01-31Sturle SundeNF
no factor from 2^60 to 2^61