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
88338269
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 725000
B2 = 13956250
LL
StatusDateUserResidueShiftSoftware
Unverified2018-08-10Harrison DeLong58A225D9001D82__61187304Mac OS X 64-bit,Prime95,v29.4,build 7
History
DateUserTypeResult
2018-08-10Harrison DeLongC-LL58A225D9001D82__
2018-07-30Harrison DeLongNF-PM1B1=725000, B2=13956250, E=6
2018-07-19chuenkitNFno factor TF: 75-76
2018-07-19chuenkitNFno factor TF: 74-75
2017-07-28-anonymous-NFno factor TF: 73-74
2017-07-28-anonymous-NFno factor TF: 71-72
2017-07-28-anonymous-NFno factor TF: 72-73
2015-08-15monstNFno factor TF: 70-71
2011-11-24wavelet3000NFno factor TF: 69-70
2011-11-24wavelet3000NFno factor TF: 68-69
2011-04-20wavelet3000NFno factor TF: 67-68
2011-04-12wavelet3000NFno factor TF: 66-67
2011-03-16wavelet3000NFno factor TF: 65-66
2010-11-13Architects CubedNFno factor TF: 64-65