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
34541833
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 271
P-1
B1 = 500000
B2 = 9000000
LL
StatusDateUserResidueShiftSoftware
Verified2005-08-01Alexey ChasovnikovD7504BD8F7BA5EBF9917239Windows,Prime95,v24 final,(aka Wc1)
Verified2015-08-22FredrikD7504BD8F7BA5EBF13990772Linux 64-bit,Prime95,v28.5,build 2
Verified2015-09-09DubslowD7504BD8F7BA5EBF32426060Linux 64-bit,Prime95,v28.6,build 1
History
DateUserTypeResult
2024-05-30ChuckNFno factor TF: 68-69
2019-11-08-anonymous-NFno factor TF: 72-73
2019-11-08-anonymous-NFno factor TF: 71-72
2015-09-09DubslowC-LLD7504BD8F7BA5EBF
2015-08-22FredrikC-LLD7504BD8F7BA5EBF
2015-02-11HBendtzNF-PM1B1=500000, B2=9000000, E=12
2014-03-11The MawnNFno factor TF: 70-71
2014-03-11The MawnNFno factor TF: 69-70
2013-08-16Carsten KossendeyNFno factor TF: 68-69
2005-08-01Smok_bmv C-LLD7504BD8F7BA5EBF
2005-05-12Smok_bmv NF-PM1B1=530000
2005-05-12Smok_bmv NFno factor TF: 1-68
2003-09-29mdrgNFno factor TF: 1-62