Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
88819673
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 720000
B2 = 14220000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-12-31patgieC9B9ED7CA5548B__54553550Windows 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2019-12-31patgieC-LLC9B9ED7CA5548B__
2018-10-07TheJudgerNF-PM1B1=720000, B2=14220000, E=12
2018-09-02TheJudgerNFno factor TF: 75-76
2018-09-02TheJudgerNFno factor TF: 74-75
2017-08-05-anonymous-NFno factor TF: 71-72
2017-08-05-anonymous-NFno factor TF: 72-73
2017-08-05-anonymous-NFno factor TF: 73-74
2014-11-28SMoffatNFno factor TF: 70-71
2011-06-05wavelet3000NFno factor TF: 69-70
2011-06-05wavelet3000NFno factor TF: 68-69
2011-06-05wavelet3000NFno factor TF: 67-68
2011-03-31wavelet3000NFno factor TF: 66-67
2011-03-24wavelet3000NFno factor TF: 65-66
2010-11-15Architects CubedNFno factor TF: 64-65