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
29611Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
5035754417675978807292168.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001289 / 4588
Estimated T-Level: 36.4
TF below 2^116 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse5C2FB2586734DA9D1013
Verified2017-10-12kkmrkkblmbrbk5C2FB2586734DA9D1479213
Verified2020-04-17Oliver Kruse4BCC1240D06C488911732353
Verified2024-07-01kkmrkkblmbrbk4BCC1240D06C48891386953
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M29611/503575441767597880729 : 4BCC1240D06C4889
PRP: Verified
PRP without proof (small exponent)
2023-02-13nordiNF-PM1
B1=3000000000, B2=925584566816910
2022-12-23nordiNF-PM1
B1=3000000000
2021-05-10ATHNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRP
M29611/503575441767597880729 : 4BCC1240D06C4889
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M29611/503575441767597880729 : 5C2FB2586734DA9D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M29611/503575441767597880729 : 5C2FB2586734DA9D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M29611/503575441767597880729 : 5C2FB2586734DA9D
PRP without proof (not generated)
2017-01-03kkmrkkblmbrbkNF-PM1
B1=500000000, B2=10000000000, E=12