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
8317
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
382583618.5old
1052327221431236.6old
10838052083377240536986412579.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006938 / 16550
Estimated T-Level: 47.1
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 Kruse98C0EB9AB2F71DCA3013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk98C0EB9AB2F71DCA3013
Verified
No proof (small exponent)
2017-12-07ATH98C0EB9AB2F71DCA3822113
Verified
No proof (small exponent)
2020-04-17Oliver KruseD6CE67F533E5D40F3446853
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbkD6CE67F533E5D40F3265153
History
DateUserTypeResult
2025-05-16masserNF-PP1Start=192/31, B1=1300000000, B2=1298700000000
2024-07-01kkmrkkblmbrbkC-PRPM8317/105232722143/1083805208337724053698641/382583 : D6CE67F533E5D40F
2023-08-30JacobZNF-PM1B1=71000000000, B2=265422648792401100
2021-12-08onlinegameNF-PM1B1=1000000000, B2=10000000000
2020-04-17Oliver KruseC-PRPM8317/382583/105232722143/1083805208337724053698641 : D6CE67F533E5D40F
2017-12-07ATHC-PRPM8317/382583/105232722143/1083805208337724053698641 : 98C0EB9AB2F71DCA
2017-10-02kkmrkkblmbrbkC-PRPM8317/382583/105232722143/1083805208337724053698641 : 98C0EB9AB2F71DCA
2017-09-21Oliver KruseC-PRPM8317/known_factors : 98C0EB9AB2F71DCA