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:










MnStatusDetails
454627Factored
FactorDigitsBitsDate
20444621652711340.9old
4871099317784715435351360792788.72020-08-03 10:11:49
ECM
DigitsB1Curves
2550000280 / 280
30250000271 / 640
Estimated T-Level: 27.1
TF below 2^85 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-25Oliver KruseFA71BA5B954A06031013
Verified (Factored)2017-09-27Oliver KruseFA71BA5B954A06031013
Verified (Factored)2017-11-09kkmrkkblmbrbkFA71BA5B954A060317284913
Verified (Factored)2020-04-18Oliver KruseBE3DA8D62E661EAD135333853
Verified2020-08-03M MillerBE3DA8D62E661EAD241782253
Verified2020-08-03atrenchBE3DA8D62E661EAD235497453
History
DateUserTypeResult
2020-08-03atrenchC-PRP
M454627/2044462165271/487109931778471543535136079 : BE3DA8D62E661EAD
PRP: Verified
PRP without proof (small exponent)
2020-08-03M MillerC-PRP
M454627/2044462165271/487109931778471543535136079 : BE3DA8D62E661EAD
PRP: Verified
PRP without proof (small exponent)
2020-08-03nordiF-ECM
Factor: 487109931778471543535136079 / (ECM curve 61, B1=250000, B2=25000000, Sigma=2154738754660450)
2020-04-18Oliver KruseC-PRP
M454627/2044462165271 : BE3DA8D62E661EAD
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M454627/2044462165271 : FA71BA5B954A0603
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M454627/2044462165271 : FA71BA5B954A0603
PRP: Verified
PRP without proof (not generated)
2017-09-25Oliver KruseC-PRP
M454627/2044462165271 : FA71BA5B954A0603
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=3000000, B2=100000000, E=12