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
109793
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
64978555184638085487981617933596933109.02017-04-09 20:18:25
P-1 factors
DateFactorsB1B2
2017-04-09649785551846380854879816179335969
10000000010850124781788
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000799 / 1566
Estimated T-Level: 32.6
TF below 2^103 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredUnknown69850Unknown,(aka U)
FactoredMike GachBBB19F18E1F369850Windows,Prime95,v11,(aka WC)
FactoredBrian J. BeesleyBBB19F18E1F369850Mac,John Sweeney,vLL1.0b1,(aka J4)
FactoredEivind TrielBBB19F18E1F3698537927Windows,Prime95,v24 final,(aka Wc1)
Factored2016-06-01MadPoo 🙂BBB19F18E1F3698593611Windows 64-bit,Prime95,v26,(aka We4)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver KruseE3FDBB31D14974D51013
Verified
No proof (small exponent)
2017-10-13kkmrkkblmbrbkE3FDBB31D14974D519581913
Verified
No proof (small exponent)
2020-04-17Oliver KruseFC72226A3087A7E017720453
Verified
Not Uploaded
2022-04-15LordJuliusFC72226A3087A7E013972153
Verified
Certified Good
2022-11-11LordJuliusFC72226A3087A7E015609853
History
DateUserTypeResult
2025-12-17ViliamFNF-PM1B1=100000000, B2=2386922057520
2022-11-11curtiscCERT
Proof certified good
2022-11-11LordJuliusC-PRPM109793/649785551846380854879816179335969 : FC72226A3087A7E0
Proof Not Uploaded

Proof Power: 5

2022-04-15LordJuliusC-PRPM109793/649785551846380854879816179335969 : FC72226A3087A7E0
Proof Not Uploaded

Proof Power: 5

2022-03-07LordJuliusNFno factor TF: 54-55
2020-04-17Oliver KruseC-PRPM109793/649785551846380854879816179335969 : FC72226A3087A7E0
2017-10-13kkmrkkblmbrbkC-PRPM109793/649785551846380854879816179335969 : E3FDBB31D14974D5
2017-09-21Oliver KruseC-PRPM109793/649785551846380854879816179335969 : E3FDBB31D14974D5
2017-09-21Oliver KruseC-PRPM109793/649785551846380854879816179335969 : E3FDBB31D14974D5
2017-04-09kkmrkkblmbrbkF-PM1Factor: 649785551846380854879816179335969 / B1=100000000, B2=10850124781788
2016-06-01MadPoo 🙂C-LLBBB19F18E1F36985
2016-03-09Gordon SpenceNFno factor TF: 63-64
2016-03-09Gordon SpenceNFno factor TF: 62-63
2016-02-23Mark RoseNFno factor TF: 57-58
2015-08-20NRNFno factor TF: 61-62
2013-10-06lycornNFno factor TF: 60-61
2012-12-19alpertronNF-PM1B1=100000000, B2=2000000000, E=12
2009-01-25Sturle SundeNFno factor TF: 59-60
2009-01-02Sturle SundeNFno factor TF: 58-59
2006-02-01JossNF-PM1B1=2000000
2003-09-29-anonymous-NF-PM1B1=262144, B2=26214400, E=12
2003-02-02-anonymous-NF-PM1B1=131072, B2=13107200, E=30
2002-07-20-anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-02-anonymous-NF-PM1B1=32768, B2=3276800
2002-05-05-anonymous-NFno factor TF: 1-57
2001-01-08-anonymous-NF-PM1B1=1000000, B2=25000000
2000-12-31-anonymous-NFno factor TF: 1-56
2000-04-12-anonymous-NFno factor TF: 1-54
1999-09-14-anonymous-NFno factor TF: 52-53