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
85021099
Composite: proven not-prime with PRP test
No factors below 276
TF target 275
P-1
B1 = 1100000
B2 = 216423900
ECM
DigitsB1Curves
255000098 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Unverified2019-05-09adamshomeincEA7B738D4EC148__53266754Windows 64-bit,Prime95,v29.4,build 8
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=10
2022-01-02Kriesel197D39F01FA52B95013
History
DateUserTypeResult
2024-02-03KrieselNF-PP1Start=120/17, B1=1100000, B2=190000000
2024-01-29KrieselNF-PP1Start=6/5, B1=1100000, B2=190000000
2024-01-27KrieselNF-PP1Start=2/7, B1=1100000, B2=190000000
2023-12-17KrieselNF-PM1B1=1100000, B2=216423900
2022-01-02AerowCERT
Proof certified good
2022-01-02KrieselC-PRP197D39F01FA52B95
Proof Certified Good

Proof Power: 10

2019-05-09adamshomeincC-LLEA7B738D4EC148__
2019-04-28ATHNFno factor TF: 1-63
2019-04-28ATHNFno factor TF: 63-64
2018-05-05Architects CubedNF-PM1B1=680000, B2=13260000, E=6
2017-07-16TheJudgerNFno factor TF: 74-75
2017-07-16TheJudgerNFno factor TF: 75-76
2017-02-18-anonymous-NFno factor TF: 73-74
2017-02-18-anonymous-NFno factor TF: 71-72
2017-02-18-anonymous-NFno factor TF: 72-73
2013-07-22SMoffatNFno factor TF: 70-71
2013-06-19SMoffatNFno factor TF: 69-70
2013-06-18SMoffatNFno factor TF: 68-69
2013-06-16SMoffatNFno factor TF: 67-68
2013-01-26E.LechnerNFno factor TF: 66-67
2012-10-06krackerNFno factor TF: 65-66
2010-11-24Architects CubedNFno factor TF: 64-65