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
34831421
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 271
P-1
B1 = 500000
B2 = 9000000
LL
StatusDateUserResidueShiftSoftware
Verified2006-02-01Vojislav Pavic0D85DEE43B65B7F527013219Windows,Prime95,v24 final,(aka Wc1)
Verified2015-11-14Dubslow0D85DEE43B65B7F517057754Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2024-05-21James HeinrichNFno factor TF: 68-69
2022-09-25RichD0NFno factor TF: 72-73
2015-11-14DubslowC-LL0D85DEE43B65B7F5
2015-11-09mikrNFno factor TF: 71-72
2015-03-27HBendtzNF-PM1B1=500000, B2=9000000, E=12
2014-04-11NRNFno factor TF: 69-71
2012-09-09Carsten KossendeyNFno factor TF: 68-69
2012-02-12Ethan O'ConnorNFno factor TF: 67-68
2006-02-01-anonymous-NFno factor TF: 1-67
2006-02-01-anonymous-C-LL0D85DEE43B65B7F5
2006-02-01-anonymous-NF-PM1B1=590000