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
34039Factored
FactorDigitsBitsDate
770983351929.5old
562374196919360210493790438316264830116740132.02016-11-21 11:45:12
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001098 / 4588
Estimated T-Level: 36.2
TF below 2^115 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbkA63DC74788C5F1982013
Verified2017-09-25George WoltmanA63DC74788C5F19822877613
Verified2017-10-02kkmrkkblmbrbkA63DC74788C5F1982013
Unverified2020-04-17Oliver Kruse00D413533A2870__21716553
P-1 factors
DateFactorB1B2
2016-11-2156237419691936021049379043831626483011672000000003042115842738
History
DateUserTypeResult
2022-08-01nordiNF-PM1
B1=2000000000, B2=404901940352910
2022-05-01nordiNF-PM1
B1=2000000000
2020-04-17Oliver KruseC-PRP
M34039/770983351/5623741969193602104937904383162648301167 : 00D413533A2870__
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M34039/770983351/5623741969193602104937904383162648301167 : A63DC74788C5F198
PRP without proof (not generated)
2017-09-25George WoltmanC-PRP
M34039/known_factors : A63DC74788C5F198
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M34039/5623741969193602104937904383162648301167/770983351 : A63DC74788C5F198
PRP without proof (not generated)
2016-11-21kkmrkkblmbrbkF-PM1
Factor: 5623741969193602104937904383162648301167 / (P-1, B1=200000000, B2=3042115842738)
2016-10-21kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12