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
13729
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
403000625426294148290459623932995.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001524 / 9201
Estimated T-Level: 40.8
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 KruseD85697683D6A7CC21013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbkD85697683D6A7CC211319813
Verified
No proof (small exponent)
2020-04-17Oliver KruseB5A5A6C21961C4DE1246453
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbkB5A5A6C21961C4DE1538853
History
DateUserTypeResult
2025-02-22masserNF-PP1Start=132/23, B1=430000000, B2=429570000000
2025-02-10masserNF-PP1Start=2/7, B1=430000000, B2=429570000000
2025-01-25masserNF-PP1Start=6/5, B1=430000000, B2=429570000000
2024-07-01kkmrkkblmbrbkC-PRP
M13729/40300062542629414829045962393 : B5A5A6C21961C4DE
2024-01-29-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-21JacobZNF-PM1B1=8000000000, B2=35524619698317750
2022-03-04Ethan O'ConnorNF-PM1B1=1000000000, B2=248016220902450
2020-04-17Oliver KruseC-PRP
M13729/40300062542629414829045962393 : B5A5A6C21961C4DE
2017-10-12kkmrkkblmbrbkC-PRPM13729/40300062542629414829045962393 : D85697683D6A7CC2
2017-09-21Oliver KruseC-PRPM13729/40300062542629414829045962393 : D85697683D6A7CC2
2017-09-21Oliver KruseC-PRPM13729/40300062542629414829045962393 : D85697683D6A7CC2
2001-09-30-anonymous-F-PM1Factor: 40300062542629414829045962393
2001-07-17Alex KruppaNF-PM1B1=1000000, B2=100000000
2001-04-29-anonymous-NF-PM1B1=100000, B2=10000000
2000-09-15-anonymous-NFno factor TF: 1-56
2000-01-25-anonymous-NFno factor TF: 53-54
1999-09-14-anonymous-NFno factor TF: 52-53