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
40867Factored
FactorDigitsBitsDate
5590111862527850411859.0old
5181123713772465808383612478.82009-04-22 01:33:09
107627001875426814631013312296921730337119.72021-09-20 17:58:46
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000681 / 4588
Estimated T-Level: 35.7
TF below 2^114 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseEBD54A3AAC121D1C2013
Verified (Factored)2017-09-21Oliver KruseEBD54A3AAC121D1C2013
Verified (Factored)2017-11-06kkmrkkblmbrbkEBD54A3AAC121D1C22497513
Verified (Factored)2020-04-17Oliver Kruse45C9A6DE895DC67821671753
Verified2021-09-20H Michaelson45C9A6DE895DC678322753
Verified2021-09-20Luminescence45C9A6DE895DC67832959153
History
DateUserTypeResult
2023-04-07JacobZNF-PM1
B1=890000000, B2=735546765984030
2021-12-18Lisander ViaeneNF-PM1
B1=1000000000
2021-09-20LuminescenceC-PRP
M40867/559011186252785041/518112371377246580838361/1076270018754268146310133122969217303 : 45C9A6DE895DC678
PRP: Verified
PRP without proof (small exponent)
2021-09-20H MichaelsonC-PRP
M40867/559011186252785041/518112371377246580838361/1076270018754268146310133122969217303 : 45C9A6DE895DC678
PRP: Verified
PRP without proof (small exponent)
2021-09-20debrouxlF-ECM
Factor: 1076270018754268146310133122969217303 / (ECM curve 107, B1=1000000, B2=100000000, Sigma=212350570300828)
2021-05-02ATHNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRP
M40867/559011186252785041/518112371377246580838361 : 45C9A6DE895DC678
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M40867/559011186252785041/518112371377246580838361 : EBD54A3AAC121D1C
PRP: Verified
PRP without proof (small exponent)
2017-09-21Oliver KruseC-PRP
M40867/559011186252785041/518112371377246580838361 : EBD54A3AAC121D1C
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M40867/559011186252785041/518112371377246580838361 : EBD54A3AAC121D1C
PRP without proof (not generated)
2016-09-13kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-04-22Matthias WurtingerF-ECM
Factor: 518112371377246580838361