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
35206909
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 425000
B2 = 9562500
LL
StatusDateUserResidueShiftSoftware
Verified2006-05-12Thilo Wanner78B7D19F41671CAC14240536Windows,Prime95,v24 final,(aka Wc1)
Verified2016-03-15Dubslow78B7D19F41671CAC6604168Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2020-02-29-anonymous-NFno factor TF: 73-74
2019-10-31-anonymous-NFno factor TF: 72-73
2019-10-31-anonymous-NFno factor TF: 71-72
2016-03-15DubslowC-LL78B7D19F41671CAC
2014-03-14LaurVNFno factor TF: 70-71
2014-03-14LaurVNFno factor TF: 69-70
2013-03-06Torben K.NFno factor TF: 68-69
2012-03-13Carsten KossendeyNFno factor TF: 67-68
2006-05-12-anonymous-C-LL78B7D19F41671CAC
2006-03-01-anonymous-NF-PM1B1=425000, B2=9562500
2006-01-15msslabNFno factor TF: 1-67
2004-12-13-anonymous-NFno factor TF: 1-61