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
332194021
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2449000
B2 = 1817638680
LL
StatusDateUserResidueShiftSoftware
Unverified2018-05-20Iwin05B8C2A81D43EA__71189858Windows 64-bit,Prime95,v29.4,build 5
History
DateUserTypeResult
2026-02-15KrieselNF-PM1B1=2449000, B2=1817638680
2024-02-25James HeinrichNFno factor TF: 74-75
2024-02-25James HeinrichNFno factor TF: 73-74
2024-02-25James HeinrichNFno factor TF: 72-73
2024-02-25James HeinrichNFno factor TF: 71-72
2024-02-25James HeinrichNFno factor TF: 70-71
2024-02-25James HeinrichNFno factor TF: 69-70
2024-02-25James HeinrichNFno factor TF: 1-69
2023-02-14Mark RoseNFno factor TF: 80-81
2023-02-14Mark RoseNFno factor TF: 74-75
2023-02-14Mark RoseNFno factor TF: 73-74
2023-02-14Mark RoseNFno factor TF: 72-73
2023-02-14Mark RoseNFno factor TF: 71-72
2023-02-14Mark RoseNFno factor TF: 70-71
2023-02-14Mark RoseNFno factor TF: 69-70
2023-02-14Mark RoseNFno factor TF: 64-69
2018-08-16Random GPUsNFno factor TF: 79-80
2018-05-20IwinC-LL05B8C2A81D43EA__
2012-03-29scrolllockNF-PM1B1=4090000
2011-01-03amphoriaNFno factor TF: 78-79
2011-01-03amphoriaNFno factor TF: 77-78
2011-01-03amphoriaNFno factor TF: 76-77
2010-08-01tekkamichaelNFno factor TF: 75-76
2008-05-21-anonymous-NFno factor TF: 1-75