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
70299283
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 274
P-1
B1 = 645000
B2 = 13222500
LL
StatusDateUserResidueShiftSoftware
Verified2015-04-30Kyle Z SchmidtC702229210D02D4F1110606Windows 64-bit,Prime95,v28.5,build 2
Verified2024-07-23Ryan PropperC702229210D02D4F8072226Linux 64-bit,Prime95,v30.7,build 9
Verified2024-07-26Ryan PropperC702229210D02D4F2162890Linux 64-bit,Prime95,v30.7,build 9
History
DateUserTypeResult
2024-07-26Ryan PropperC-LLC702229210D02D4F
2024-07-23Ryan PropperC-LLC702229210D02D4F
2022-06-30Smok_bmv NFno factor TF: 75-76
2016-10-30monstNFno factor TF: 74-75
2015-04-30Kyle Z SchmidtC-LLC702229210D02D4F
2014-10-26NRNF-PM1B1=645000, B2=13222500, E=6
2014-10-18ChuckNFno factor TF: 73-74
2014-10-18ChuckNFno factor TF: 72-73
2014-09-13srow7NFno factor TF: 71-72
2013-05-01SMoffatNFno factor TF: 70-71
2009-10-25Geoff WingNFno factor TF: 1-70
2009-10-24Geoff WingNFno factor TF: 1-70
2008-11-29Wojciech FlorekNFno factor TF: 1-64
2007-08-14AmperioNFno factor TF: 1-63