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
611222333
Composite: proven not-prime with PRP test
No factors below 287
TF target 283
P-1
B1 = 3415000
B2 = 109306000
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=8
2023-07-01Borek4249FBB1D1F9751C013
History
DateUserTypeResult
2024-06-03James HeinrichNFno factor TF: 69-70
2023-08-11KrieselCERT
Proof certified good
2023-07-01BorekC-PRP4249FBB1D1F9751C
Proof Certified Good

Proof Power: 8

2021-11-16Dmytro of DniproNF-PM1B1=3415000, B2=109306000
2021-11-15BorekNFno factor TF: 86-87
2021-09-09BorekNFno factor TF: 85-86
2021-09-02BorekNFno factor TF: 84-85
2021-08-30BorekNFno factor TF: 83-84
2021-08-29BorekNFno factor TF: 82-83
2021-08-29BorekNFno factor TF: 81-82
2021-08-29BorekNFno factor TF: 80-81
2021-08-29BorekNFno factor TF: 79-80
2021-08-29BorekNFno factor TF: 78-79
2021-08-29BorekNFno factor TF: 77-78
2021-08-29BorekNFno factor TF: 76-77
2021-08-29BorekNFno factor TF: 75-76
2021-08-29BorekNFno factor TF: 74-75
2021-08-29BorekNFno factor TF: 73-74
2021-04-17SRBaseNFno factor TF: 72-73
2020-09-15SRBaseNFno factor TF: 71-72
2018-12-09Niels_Mache_NextcloudNFno factor TF: 70-71
2018-09-04ConductorNFno factor TF: 69-70
2017-02-22sasakiNFno factor TF: 68-69
2016-12-21sasakiNFno factor TF: 67-68
2014-02-01sasakiNFno factor TF: 65-67
2012-01-12CorbyguyNFno factor TF: 64-65
2010-07-29Architects CubedNFno factor TF: 63-64