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
8117
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
24850537971047307326422995432891.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000008879 / 16550
Estimated T-Level: 47.7
TF below 2^153 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 Kruse8B5CA59EDFAD36001013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk8B5CA59EDFAD36001146113
Verified
No proof (small exponent)
2020-04-17Oliver Kruse429D3DA104AF31CC175353
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk429D3DA104AF31CC1269153
History
DateUserTypeResult
2025-05-23masserNF-PP1Start=133/11, B1=1300000000, B2=1298700000000
2024-07-01kkmrkkblmbrbkC-PRPM8117/2485053797104730732642299543 : 429D3DA104AF31CC
2023-06-10JacobZNF-PM1B1=73000000000, B2=299074993103236350
2021-12-16ANONYMOUSNF-PM1B1=100000000
2020-04-17Oliver KruseC-PRPM8117/2485053797104730732642299543 : 429D3DA104AF31CC
2017-10-12kkmrkkblmbrbkC-PRPM8117/2485053797104730732642299543 : 8B5CA59EDFAD3600
2017-09-21Oliver KruseC-PRPM8117/2485053797104730732642299543 : 8B5CA59EDFAD3600
2017-09-21Oliver KruseC-PRPM8117/2485053797104730732642299543 : 8B5CA59EDFAD3600