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
34831157
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 271
P-1
B1 = 375000
B2 = 5718750
LL
StatusDateUserResidueShiftSoftware
Verified2006-03-01Brett L Whittla87E818AA3EE9D4AF9284279Windows,Prime95,v24 final,(aka Wc1)
Verified2015-11-14Dubslow87E818AA3EE9D4AF14470473Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2024-05-25ChuckNFno factor TF: 68-69
2022-09-25Sid & AndyNFno factor TF: 72-73
2015-11-14DubslowC-LL87E818AA3EE9D4AF
2015-11-09mikrNFno factor TF: 71-72
2014-04-11NRNFno factor TF: 69-71
2013-02-06Carsten KossendeyNFno factor TF: 68-69
2006-03-01WorknPlayC-LL87E818AA3EE9D4AF
2005-10-04TheJudgerNFno factor TF: 1-67
2005-10-04-anonymous-NF-PM1B1=375000, B2=5718750
2005-10-04-anonymous-NFno factor TF: 1-68