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
70751999
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 770000
B2 = 12640000
LL
StatusDateUserResidueShiftSoftware
Verified2015-01-27Kyle Z Schmidt090E89264E04BAC854343805Windows 64-bit,Prime95,v28.5,build 2
Verified2024-08-19Ryan Propper090E89264E04BAC826012409Linux 64-bit,Prime95,v30.7,build 9
History
DateUserTypeResult
2024-08-19Ryan PropperC-LL090E89264E04BAC8
2016-11-12monstNFno factor TF: 74-75
2015-01-27Kyle Z SchmidtC-LL090E89264E04BAC8
2014-10-26Kyle Z SchmidtNF-PM1B1=770000, B2=12640000
2014-10-23Craig MeyersNFno factor TF: 71-74
2013-07-01processinfoNFno factor TF: 70-71
2013-04-07SMoffatNFno factor TF: 69-70
2010-03-24-anonymous-NFno factor TF: 68-69
2010-03-15jomateixNFno factor TF: 67-68
2010-03-06cajNFno factor TF: 66-67
2010-03-05cajNFno factor TF: 65-66
2010-02-27eon_blue_apocalypseNFno factor TF: 64-65
2008-11-24George WoltmanNFno factor TF: 1-64
2008-11-22Wojciech FlorekNFno factor TF: 1-64
2008-11-22-anonymous-NFno factor TF: 1-64
2007-11-17AmperioNFno factor TF: 1-63