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
632683Factored
FactorDigitsBitsDate
1056745107591236.6old
37687126912783164812009165532891.62023-01-13 09:39:39
ECM
DigitsB1Curves
2550000280 / 280
30250000214 / 640
Estimated T-Level: 26.7
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse432E04D365C48A2C1013
Verified (Factored)2017-09-28Oliver Kruse432E04D365C48A2C1013
Verified (Factored)2017-11-09kkmrkkblmbrbk432E04D365C48A2C179813
Verified (Factored)2020-04-19Oliver Kruse23471C013BFD1027127343753
Verified2023-01-13Naegi Makoto23471C013BFD1027261681653
P-1 factors
DateFactorB1B2
2023-01-15376871269127831648120091655320000006199753560
History
DateUserTypeResult
2023-01-15USAFSSF-PM1
Factor: 3768712691278316481200916553 / (P-1, B1=2000000, B2=6199753560)
2023-01-13yphysicsCERT
PRP Certification
Proof certified good
2023-01-13Naegi MakotoC-PRP
M632683/105674510759/3768712691278316481200916553 : 23471C013BFD1027
PRP proof power = 6
PRP: Verified
Proof certified good
2023-01-13TJAOIF-ECM
Factor: 3768712691278316481200916553 / (ECM curve 58, B1=250000, B2=40000000, Sigma=1519468026266927)
2020-04-19Oliver KruseC-PRP
M632683/105674510759 : 23471C013BFD1027
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M632683/105674510759 : 432E04D365C48A2C
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M632683/105674510759 : 432E04D365C48A2C
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M632683/105674510759 : 432E04D365C48A2C
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12