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
26529059
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 3000000
B2 = 90000000
LL
StatusDateUserResidueShiftSoftware
Verified2004-12-23Kyle Schmidt88F271E1B5D29CF810105434Windows,Prime95,v23,(aka WZ1)
Verified2011-08-04jingfired88F271E1B5D29CF89845710Linux 64-bit,Prime95,v26.6,build 3
History
DateUserTypeResult
2021-12-02LuminescenceNF-PM1B1=3000000, B2=90000000
2021-10-17TheJudgerNFno factor TF: 74-75
2021-09-26TheJudgerNFno factor TF: 73-74
2021-08-25TheJudgerNFno factor TF: 72-73
2021-08-25TheJudgerNFno factor TF: 71-72
2021-05-03mikrNFno factor TF: 70-71
2018-05-25VictordeHollanderNFno factor TF: 69-70
2018-03-20VictordeHollanderNFno factor TF: 68-69
2016-12-08NRNFno factor TF: 67-68
2011-08-04jingfiredC-LL88F271E1B5D29CF8
2004-12-23-anonymous-C-LL88F271E1B5D29CF8
2004-11-22-anonymous-NF-PM1B1=405000
2004-08-20-anonymous-NFno factor TF: 1-67