Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:





MnDetails
579277
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
229745962607430144498225676492994.22025-02-04 13:59:46
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000162 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredDavid Slowinski18430Cray,Slowinski,(aka D5)
FactoredClaude BarbeB123A6C0834198430Windows,Prime95,v11,(aka WC)
FactoredKlaus KastensB123A6C08341984313956Glucas with shift counts,(aka G29)
Factored2015-04-11MadPoo 🙂B123A6C08341984342589Windows 64-bit,Prime95,v26,(aka We4)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2025-02-04NStormE66D0B6B7FE53195123178453
History
DateUserTypeResult
2025-02-04DodgyCERT
Proof certified good
2025-02-04NStormC-PRPM579277/22974596260743014449822567649 : E66D0B6B7FE53195
Proof Certified Good

Proof Power: 6

2025-02-04NStormF-ECMFactor: 22974596260743014449822567649 / ECM curve 55, B1=250000, B2=367552185, Edwards Sigma=5992860766685989
2023-11-13linamentNF-PM1B1=70000000, B2=3515943120690
2023-11-12linamentNF-PM1B1=70000000
2023-11-05JossNF-PM1B1=4952739, B2=500689108920
2023-06-16JossNF-PM1B1=2220297, B2=67085068050
2022-12-02masserNF-PP1Start=6/5, B1=8000000, B2=400000000
2022-12-02masserNF-PP1Start=2/7, B1=16000000, B2=896000000
2022-12-01masserNF-PP1Start=83/67, B1=4000000, B2=168000000
2022-11-22JossNF-PM1B1=2220297, B2=10092332250
2022-05-04Gordon SpenceNFno factor TF: 67-68
2022-03-07LordJuliusNFno factor TF: 54-55
2020-02-28YxinityNFno factor TF: 66-67
2019-04-23alexNF-PM1B1=10000000, B2=400000000, E=12
2018-06-04chuenkitNFno factor TF: 65-66
2017-08-22ConductorNFno factor TF: 64-65
2016-02-23Mark RoseNFno factor TF: 58-60
2016-02-23Mark RoseNFno factor TF: 60-61
2015-11-09Sid & AndyNF-PM1B1=5792770, B2=173783100, E=12
2015-10-22Bruno VictalNF-PM1B1=1600000, B2=66000000, E=12
2015-09-20Gordon SpenceNFno factor TF: 63-64
2015-09-20Gordon SpenceNFno factor TF: 62-63
2015-07-12NRNFno factor TF: 61-62
2015-04-11MadPoo 🙂C-LLB123A6C083419843
2013-10-09David CampeauNF-PM1B1=1225000, B2=34300000, E=12
2011-05-31JossNF-PM1B1=1000000
2003-11-28-anonymous-NFno factor TF: 1-58
2003-05-26-anonymous-NF-PM1B1=131072, B2=13107200, E=12
2002-09-14-anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-29-anonymous-NF-PM1B1=32768, B2=3276800, E=12
2002-05-05-anonymous-NF-PM1B1=16384, B2=1638400
2002-01-15-anonymous-NFno factor TF: 1-57
2001-04-08-anonymous-NFno factor TF: 1-56
2000-12-07Alex KruppaNF-PM1B1=100000, B2=4000000
2000-04-12-anonymous-NFno factor TF: 1-54