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
10482599
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
520154660318796886248492375.52020-03-23 17:21:42
P-1 factors
DateFactorsB1B2
2020-03-2352015466031879688624849
2600004940000
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factored2001-02-11Mark ThakkarB02327238B21F1921693399Windows,Prime95,v20,(aka WW1)
Factored2004-06-12Daniel SwansonB02327238B21F192178981Linux 32-bit,Prime95,v23,(aka WZ2)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2020-08-13storm551088D6C71B988FC6DF1125960153
History
DateUserTypeResult
2020-08-13Valerio BellizzomiCERT
Proof certified good
2020-08-13storm5510C-PRPM10482599/52015466031879688624849 : 88D6C71B988FC6DF
Proof Certified Good

Proof Power: 8

2020-03-23Dylan DelgadoF-PM1Factor: 52015466031879688624849 / B1=260000, B2=4940000
2018-12-12NumberwangNF-PM1B1=105000, B2=1627500, E=12
2017-11-16ramgeisNFno factor TF: 68-69
2017-09-25-anonymous-NFno factor TF: 67-68
2015-12-11VictordeHollanderNFno factor TF: 66-67
2015-05-05ThaNFno factor TF: 65-66
2013-12-19lycornNFno factor TF: 64-65
2004-06-12dswansonC-LLB02327238B21F192
2001-02-11-anonymous-C-LLB02327238B21F192
2000-09-15-anonymous-NF-PM1B1=120000, B2=1380000
1999-09-22-anonymous-NFno factor TF: 1-64