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:





MnDetails
9767
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
9636795197562938383423596102973099.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006756 / 16550
Estimated T-Level: 47.0
TF below 2^151 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse65E94B68C52B5DDF1013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk65E94B68C52B5DDF1600613
Verified
No proof (small exponent)
2020-04-17Oliver Kruse566AD84FC7D9E0351589653
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk566AD84FC7D9E0351310453
History
DateUserTypeResult
2025-03-24masserNF-PP1Start=184/19, B1=1000000000, B2=999000000000
2024-07-01kkmrkkblmbrbkC-PRPM9767/963679519756293838342359610297 : 566AD84FC7D9E035
2023-06-17JacobZNF-PM1B1=59000000000, B2=250256095608669150
2022-02-05JossNF-PM1B1=1000000, B2=6010952007060
2020-04-17Oliver KruseC-PRPM9767/963679519756293838342359610297 : 566AD84FC7D9E035
2017-10-12kkmrkkblmbrbkC-PRPM9767/963679519756293838342359610297 : 65E94B68C52B5DDF
2017-09-21Oliver KruseC-PRPM9767/963679519756293838342359610297 : 65E94B68C52B5DDF
2017-09-21Oliver KruseC-PRPM9767/963679519756293838342359610297 : 65E94B68C52B5DDF
2005-03-20-anonymous-F-ECMFactor: 963679519756293838342359610297
2003-03-16-anonymous-NF-PM1B1=4290000000
2002-12-09-anonymous-NFno factor TF: 1-57
2002-11-09-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-09-07-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-15-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-07-17-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-06-30-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-06-29-anonymous-NFno factor TF: 1-56
2000-06-28-anonymous-NFno factor TF: 1-56
2000-03-01-anonymous-NFno factor TF: 54-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53