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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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MnStatusDetails
483719Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
9389574147094091549.7old
632737108578831728392065.82014-11-16 12:53:37
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-26Oliver KruseB05E3EC1721E5EC82013
Verified2017-09-27Oliver KruseB05E3EC1721E5EC82013
Verified2017-11-09kkmrkkblmbrbkB05E3EC1721E5EC8215670313
Verified2020-04-18Oliver KruseFE4A09B9932A86C6233647353
Verified2024-11-26kkmrkkblmbrbkFE4A09B9932A86C6215292753
P-1 factors
DateFactorB1B2
2014-11-16632737108578831728393000000100000000
History
DateUserTypeResult
2024-11-26ANONYMOUSCERT
PRP Certification
Proof certified good
2024-11-26kkmrkkblmbrbkC-PRP
M483719/938957414709409/63273710857883172839 : FE4A09B9932A86C6
PRP proof power = 6
PRP: Verified
Proof certified good
2020-04-18Oliver KruseC-PRP
M483719/938957414709409/63273710857883172839 : FE4A09B9932A86C6
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M483719/938957414709409/63273710857883172839 : B05E3EC1721E5EC8
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M483719/938957414709409/63273710857883172839 : B05E3EC1721E5EC8
PRP: Verified
PRP without proof (not generated)
2017-09-26Oliver KruseC-PRP
M483719/938957414709409/63273710857883172839 : B05E3EC1721E5EC8
PRP: Verified
PRP without proof (not generated)
2014-11-16alpertronF-PM1
Factor: 63273710857883172839 / (P-1, B1=3000000, B2=100000000, E=12)