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
10747343
Composite: 2 known prime factors
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
169501114142391012433032373.82026-03-06 12:53:36
78606971529061266989990412582.72015-07-31 09:24:55
P-1 factors
DateFactorsB1B2
2026-03-0616950111414239101243303
15000002302434750
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factored2000-12-14Patrik Johansson286D89EEA44DDE982027342Windows,Prime95,v19,(aka WV1)
Factored2004-01-18David Gravereaux286D89EEA44DDE985295402Windows,Prime95,v23,(aka WZ1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
Certified Good
2021-01-14mrh84FF5562C53CE9711200354353
History
DateUserTypeResult
2026-03-06Sid & AndyF-PM1Factor: 16950111414239101243303 / B1=1500000, B2=2302434750
2021-01-14ky0urakuCERT
Proof certified good
2021-01-14mrhC-PRPM10747343/7860697152906126698999041 : 84FF5562C53CE971
Proof Certified Good

Proof Power: 8

2015-07-31Gordon SpenceF-ECMFactor: 7860697152906126698999041
2015-05-18ThaNFno factor TF: 65-66
2013-12-11lycornNFno factor TF: 64-65
2013-04-02NesowaNF-PM1B1=155000, B2=3000000, E=6
2004-01-18-anonymous-C-LL286D89EEA44DDE98
2003-05-04Patrik JohanssonC-LL286D89EEA44DDE98
2002-03-24Patrik JohanssonC-LL286D89EEA44DDE98
2000-12-14Patrik JohanssonC-LL286D89EEA44DDE98
2000-08-10-anonymous-NF-PM1B1=110000, B2=770000
2000-07-25-anonymous-NF-PM1B1=155000, B2=155000
1999-10-21Jonathan A ZylstraNFno factor TF: 1-64