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
13003
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
208049617.7old
1170271720.22008-08-26 19:58:39
13341079823.72008-08-26 19:58:39
9390723950171239.82008-08-26 19:58:39
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001634 / 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 Kruse5329FB254EFA43974013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk5329FB254EFA439741033013
Verified
No proof (small exponent)
2020-04-17Oliver Kruse931309B8CFFC8CFD4943153
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk931309B8CFFC8CFD4886753
History
DateUserTypeResult
2025-03-11masserNF-PP1Start=164/47, B1=430000000, B2=429570000000
2025-02-01masserNF-PP1Start=6/5, B1=430000000, B2=429570000000
2025-01-31masserNF-PP1Start=2/7, B1=430000000, B2=429570000000
2024-07-01kkmrkkblmbrbkC-PRPM13003/1170271/13341079/208049/939072395017 : 931309B8CFFC8CFD
2023-10-10-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-16JacobZNF-PM1B1=8500000000, B2=33523232658715800
2022-02-05JossNF-PM1B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRPM13003/208049/1170271/13341079/939072395017 : 931309B8CFFC8CFD
2017-10-12kkmrkkblmbrbkC-PRPM13003/208049/1170271/13341079/939072395017 : 5329FB254EFA4397
2017-09-21Oliver KruseC-PRPM13003/208049/1170271/13341079/939072395017 : 5329FB254EFA4397
2017-09-21Oliver KruseC-PRPM13003/208049/1170271/13341079/939072395017 : 5329FB254EFA4397
2008-08-26-anonymous-FFactor: 939072395017
2008-08-26-anonymous-FFactor: 13341079
2008-08-26-anonymous-FFactor: 1170271