Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
3589151
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 272
TF target 264
Factored
FactorDigitsBitsDate
144732429750370614182704972683.62025-02-15 01:13:15
ECM
DigitsB1Curves
2550000148 / 280
Estimated T-Level: 22.6
TF below 2^70 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factored1997-12-09Holger PaschkeD33E440F5E45C3080Linux 32-bit,Prime95,v14,(aka WQ2)
Factored1999-08-07P G HowardD33E440F5E45C3083281639Windows,Prime95,v17,NT service,(aka WT5)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2025-02-15fordobr6A7E9D56E8D820D31298513353
History
DateUserTypeResult
2025-02-15Will KCERT
Proof certified good
2025-02-15fordobrC-PRPM3589151/14473242975037061418270497 : 6A7E9D56E8D820D3
Proof Certified Good

Proof Power: 7

2025-02-15fordobrF-ECMFactor: 14473242975037061418270497 / ECM curve 5, B1=120454, B2=194584005, Edwards Sigma=3766659209824713
2025-02-14JossNF-PM1B1=14108490, B2=17723736030
2022-11-05mikrNF-PM1B1=6000000, B2=7697946102
2022-10-10JossNF-PM1B1=1000000, B2=130364850
2022-05-12JossNF-PM1B1=500000, B2=130364850
2021-11-12ArtyomPNF-PP1Start=6/5, B1=50000, B2=2500000
2021-11-12ArtyomPNF-PP1Start=2/7, B1=50000, B2=2500000
2021-03-20-anonymous-NFno factor TF: 71-72
2021-03-17-anonymous-NFno factor TF: 70-71
2021-03-17-anonymous-NFno factor TF: 69-70
2020-12-21axnNFno factor TF: 68-69
2018-08-27TJAOINFno factor TF: 67-68
2017-01-20Gordon SpenceNFno factor TF: 66-67
2016-05-28Squeeky_SquirrelNF-PM1B1=225000, B2=6581250, E=12
2016-02-25ramgeisNFno factor TF: 65-66
2016-02-23Mark RoseNFno factor TF: 62-63
2015-02-07VictordeHollanderNFno factor TF: 64-65
2015-02-07VictordeHollanderNFno factor TF: 63-64
2012-07-02GrunwalderGIMPNFno factor TF: 1-63
2011-12-30Squeeky_SquirrelNF-PM1B1=85000, B2=1593750, E=6
2011-06-16Grant McCrackenNFno factor TF: 61-62
2009-07-10Carsten KossendeyNF-PM1B1=20000, B2=245000
2009-03-14S485122NFno factor TF: 60-61
1999-08-07-anonymous-C-LLD33E440F5E45C308
1997-12-09-anonymous-C-LLD33E440F5E45C308
1997-12-09-anonymous-NFno factor TF: 1-60