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
9629Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
271524511991134.7old
6692193516011239.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006711 / 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 Kruse80436569C2ADD0A12013
Verified2017-10-12kkmrkkblmbrbk80436569C2ADD0A12159413
Verified2020-04-17Oliver KruseB9B7DE2768B7CDEB2826653
Verified2024-07-01kkmrkkblmbrbkB9B7DE2768B7CDEB2619053
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M9629/27152451199/669219351601 : B9B7DE2768B7CDEB
PRP: Verified
PRP without proof (small exponent)
2023-06-21JacobZNF-PM1
B1=60000000000, B2=244568457101868900
2022-02-03-Anonymous-NF-PM1
B1=5000000, B2=15277839797220
2020-04-17Oliver KruseC-PRP
M9629/27152451199/669219351601 : B9B7DE2768B7CDEB
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M9629/27152451199/669219351601 : 80436569C2ADD0A1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9629/27152451199/669219351601 : 80436569C2ADD0A1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9629/27152451199/669219351601 : 80436569C2ADD0A1
PRP without proof (not generated)