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
88621457
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 725000
B2 = 14137500
LL
StatusDateUserResidueShiftSoftware
Unverified2019-12-19patgieCCFA226832DF9C__48068964Windows 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2019-12-19patgieC-LLCCFA226832DF9C__
2018-09-21David HruskaNF-PM1B1=725000, B2=14137500, E=12
2018-09-03Strolling JellyfishNFno factor TF: 75-76
2018-08-31RichD0NFno factor TF: 74-75
2017-07-17ktonyNFno factor TF: 72-73
2017-07-17ktonyNFno factor TF: 73-74
2017-07-17ktonyNFno factor TF: 71-72
2014-08-26Zr40NFno factor TF: 70-71
2011-09-05wavelet3000NFno factor TF: 69-70
2011-09-05wavelet3000NFno factor TF: 68-69
2011-09-05wavelet3000NFno factor TF: 67-68
2011-04-07wavelet3000NFno factor TF: 66-67
2011-03-22wavelet3000NFno factor TF: 65-66
2010-11-14Architects CubedNFno factor TF: 64-65