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
332219387
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 1564000
B2 = 354419940
LL
StatusDateUserResidueShiftSoftware
Unverified2020-10-26xor37h81C737F55786DF__25195166Windows 64-bit,Prime95,v30.3,build 6
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-03-05Mark RoseNF-PM1B1=1564000, B2=354419940
2022-12-21Mark RoseNFno factor TF: 80-81
2022-12-21Mark RoseNFno factor TF: 79-80
2020-10-26xor37hC-LL81C737F55786DF__
2019-03-31MadPoo 🙂NF-PM1B1=100000, B2=150000
2011-01-06amphoriaNFno factor TF: 78-79
2011-01-06amphoriaNFno factor TF: 77-78
2011-01-06amphoriaNFno factor TF: 76-77
2011-01-06amphoriaNFno factor TF: 75-76
2011-01-06amphoriaNFno factor TF: 74-75
2010-12-04Team_InspectorNFno factor TF: 73-74
2009-05-02sujianlinNFno factor TF: 72-73
2009-02-27sujianlinNFno factor TF: 71-72
2008-12-07JackNFno factor TF: 70-71
2008-12-07JackNFno factor TF: 69-70
2008-12-07Team_InspectorNFno factor TF: 68-69