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
35386147
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 271
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShiftSoftware
Verified2006-05-29William A. StaffenE0EBB8B9A437938F23084374Windows,Prime95,v24 final,(aka Wc1)
Verified2016-02-11DubslowE0EBB8B9A437938F6981759Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2021-09-11Sid & AndyNFno factor TF: 74-75
2021-07-31Sid & AndyNF-PM1B1=1500000, B2=45000000
2020-03-16-anonymous-NFno factor TF: 73-74
2019-10-31-anonymous-NFno factor TF: 72-73
2019-10-31-anonymous-NFno factor TF: 71-72
2016-02-11DubslowC-LLE0EBB8B9A437938F
2014-03-14LaurVNFno factor TF: 70-71
2014-03-14LaurVNFno factor TF: 69-70
2013-02-13LaurVNFno factor TF: 68-69
2012-03-26Serge BatalovNFno factor TF: 67-68
2006-05-29Bill StaffenC-LLE0EBB8B9A437938F
2006-04-28Bill StaffenNF-PM1B1=420000, B2=7455000
2006-02-01-anonymous-NFno factor TF: 1-67
2004-07-26AxelFoxNFno factor TF: 1-60