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
9767Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
9636795197562938383423596102973099.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006719 / 16550
Estimated T-Level: 47.0
TF below 2^151 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse65E94B68C52B5DDF1013
Verified2017-10-12kkmrkkblmbrbk65E94B68C52B5DDF1600613
Verified2020-04-17Oliver Kruse566AD84FC7D9E0351589653
Verified2024-07-01kkmrkkblmbrbk566AD84FC7D9E0351310453
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M9767/963679519756293838342359610297 : 566AD84FC7D9E035
PRP: Verified
PRP without proof (small exponent)
2023-06-17JacobZNF-PM1
B1=59000000000, B2=250256095608669150
2022-02-05JossNF-PM1
B1=1000000, B2=6010952007060
2020-04-17Oliver KruseC-PRP
M9767/963679519756293838342359610297 : 566AD84FC7D9E035
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M9767/963679519756293838342359610297 : 65E94B68C52B5DDF
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9767/963679519756293838342359610297 : 65E94B68C52B5DDF
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9767/963679519756293838342359610297 : 65E94B68C52B5DDF
PRP without proof (not generated)