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
1797503Factored
FactorDigitsBitsDate
636316063929.2old
11790986137828048281926092580.02020-06-19 00:42:49
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-03Oliver Kruse3907E08D0F539F041013
Verified (Factored)2017-11-05kkmrkkblmbrbk3907E08D0F539F04135433613
Verified2020-06-19M MillerD0EA8055F1A41D49268940553
Verified2020-06-19ATHD0EA8055F1A41D49214081753
History
DateUserTypeResult
2020-06-19ATHC-PRP
M1797503/636316063/1179098613782804828192609 : D0EA8055F1A41D49
PRP: Verified
PRP without proof (not generated)
2020-06-19M MillerC-PRP
M1797503/636316063/1179098613782804828192609 : D0EA8055F1A41D49
PRP: Verified
PRP without proof (not generated)
2020-06-19_p95holder_F-ECM
Factor: 1179098613782804828192609 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-05kkmrkkblmbrbkC-PRP
M1797503/636316063 : 3907E08D0F539F04
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1797503/636316063 : 3907E08D0F539F04
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12