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
12113
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
30694343824.9old
18081259559641967908109774332890.52008-10-16 23:57:25
P-1 factors
DateFactorsB1B2
2023-04-06No new factors discovered100000000000120942232635634416
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001724 / 9201
Estimated T-Level: 40.9 ⓘ
TF below 2^131 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 KruseF7CE06C5B78409B12013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbkF7CE06C5B78409B12701813
Verified
No proof (small exponent)
2020-04-17Oliver Kruse899B3D7A3CD15A742561053
Verified
No proof (small exponent)
2023-05-19-anonymous-899B3D7A3CD15A742810853
History
DateUserTypeResult
2025-03-08masserNF-PP1Start=187/61, B1=430000000, B2=429570000000
2025-02-22masserNF-PP1Start=6/5, B1=430000000, B2=429570000000
2025-01-20masserNF-PP1Start=2/7, B1=430000000, B2=429570000000
2023-05-19-anonymous-C-PRPM12113/30694343/1808125955964196790810977433 : 899B3D7A3CD15A74
2023-04-06-anonymous-F-PM1Factor: 1808125955964196790810977433 / B1=100000000000, B2=120942232635634410
2020-04-17Oliver KruseC-PRPM12113/30694343/1808125955964196790810977433 : 899B3D7A3CD15A74
2017-10-12kkmrkkblmbrbkC-PRPM12113/30694343/1808125955964196790810977433 : F7CE06C5B78409B1
2017-09-21Oliver KruseC-PRPM12113/30694343/1808125955964196790810977433 : F7CE06C5B78409B1
2017-09-21Oliver KruseC-PRPM12113/30694343/1808125955964196790810977433 : F7CE06C5B78409B1
2016-09-08kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-10-16-anonymous-F-ECMFactor: 1808125955964196790810977433