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
9787
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
37102394268866871651.7old
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 Kruse0994FAA96384F2731013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk0994FAA96384F2731905613
Verified
No proof (small exponent)
2020-04-17Oliver KruseCF9752863EFA562C1606553
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbkCF9752863EFA562C1141253
History
DateUserTypeResult
2025-03-23masserNF-PP1Start=95/59, B1=1000000000, B2=999000000000
2024-07-01kkmrkkblmbrbkC-PRPM9787/3710239426886687 : CF9752863EFA562C
2023-06-16JacobZNF-PM1B1=59000000000, B2=250256095608669150
2022-01-03ANONYMOUSNF-PM1B1=100000000
2020-04-17Oliver KruseC-PRPM9787/3710239426886687 : CF9752863EFA562C
2017-10-12kkmrkkblmbrbkC-PRPM9787/3710239426886687 : 0994FAA96384F273
2017-09-21Oliver KruseC-PRPM9787/3710239426886687 : 0994FAA96384F273
2017-09-21Oliver KruseC-PRPM9787/3710239426886687 : 0994FAA96384F273
2006-11-28-anonymous-FFactor: 3710239426886687