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
84895193
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13260000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-05-23patgieF8FBDA8C7008E7__61091696Windows 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2019-05-23patgieC-LLF8FBDA8C7008E7__
2019-04-27ATHNFno factor TF: 63-64
2019-04-27ATHNFno factor TF: 1-63
2017-12-11Kevin JagetNF-PM1B1=680000, B2=13260000, E=12
2017-06-281997rj7NFno factor TF: 75-76
2017-06-281997rj7NFno factor TF: 74-75
2017-05-06-anonymous-NFno factor TF: 73-74
2017-02-17Judge HaleNFno factor TF: 71-72
2017-02-17Judge HaleNFno factor TF: 72-73
2015-08-20monstNFno factor TF: 70-71
2013-12-24ITSNFno factor TF: 69-70
2013-02-26philNFno factor TF: 68-69
2013-02-21OleGGNFno factor TF: 67-68
2013-02-21OleGGNFno factor TF: 66-67
2012-09-14Carsten KossendeyNFno factor TF: 65-66
2010-12-25Architects CubedNFno factor TF: 64-65