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
84524897
Composite: proven not-prime with PRP test
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 13331250
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
PRP without proof (not generated)
2019-04-07Mihai PredaA234567A4F1BB3B7043
Verified
Certified Good
Power=9
2022-04-06LordJuliusFD964AEC5AC195D55024185513
Verified
Certified Good
Power=9
2025-08-15Jason LynchA234567A4F1BB3B76704444743
History
DateUserTypeResult
2025-08-15Fabrice BelletCERT
Proof certified good
2025-08-15Jason LynchC-PRPA234567A4F1BB3B7
Proof Certified Good

Proof Power: 9

2022-04-06Will EdgingtonCERT
Proof certified good
2022-04-06LordJuliusC-PRPFD964AEC5AC195D5
Proof Certified Good

Proof Power: 9

2019-04-07Mihai PredaC-PRPA234567A4F1BB3B7
2017-11-19TheJudgerNF-PM1B1=675000, B2=13331250, E=12
2017-04-24TheJudgerNFno factor TF: 74-75
2017-04-24TheJudgerNFno factor TF: 75-76
2017-02-12-anonymous-NFno factor TF: 72-73
2017-02-12-anonymous-NFno factor TF: 73-74
2017-02-11-anonymous-NFno factor TF: 71-72
2013-11-07Ryan PropperNFno factor TF: 70-71
2013-08-15PascalBieriNFno factor TF: 69-70
2013-08-13Le ComteNFno factor TF: 68-69
2013-02-27andrea.biancalanaNFno factor TF: 67-68
2013-02-19Olli HeikkiläNFno factor TF: 66-67
2012-08-08Carsten KossendeyNFno factor TF: 65-66
2010-12-24Architects CubedNFno factor TF: 64-65