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
332271197
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2247000
B2 = 102870000
LL
StatusDateUserResidueShiftSoftware
Unverified2022-07-13Siarhei P. 😜575A304E8C0E1C__19936312Windows 64-bit,Prime95,v30.7,build 9
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2022-07-13Siarhei P. 😜C-LL575A304E8C0E1C__
2022-07-13Siarhei P. 😜NF-PM1B1=2247000, B2=102870000
2020-11-09Siarhei P. 😜NFno factor TF: 80-81
2020-11-09Siarhei P. 😜NFno factor TF: 79-80
2020-11-09Siarhei P. 😜NFno factor TF: 78-79
2020-11-09Siarhei P. 😜NFno factor TF: 77-78
2019-11-18MadPoo 🙂NF-PM1B1=100000, B2=1000000
2019-03-13MadPoo 🙂NF-PM1B1=100000, B2=200000
2014-06-22Team_InspectorNFno factor TF: 76-77
2014-02-11Team_InspectorNFno factor TF: 75-76
2013-06-29Team_InspectorNFno factor TF: 74-75
2012-08-06Team_InspectorNFno factor TF: 73-74
2011-11-07Team_InspectorNFno factor TF: 72-73
2011-07-30Grant McCrackenNFno factor TF: 71-72
2011-05-11Grant McCrackenNFno factor TF: 70-71
2009-12-31Team_InspectorNFno factor TF: 69-70
2009-06-21Team_InspectorNFno factor TF: 68-69