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
48348847
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 560000
B2 = 13720000
LL
StatusDateUserResidueShiftSoftware
Bad2010-02-24ANONYMOUSF0B046C746931B9F22279491Windows,Prime95,v25.9,build 4
Verified2016-01-19MadPoo 🙂9024D10AF08EE1C320572834Windows 64-bit,Prime95,v26,(aka We4)
Verified2016-10-02Mark Rose9024D10AF08EE1C310700890Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2018-02-23monstNFno factor TF: 72-73
2016-10-02Mark RoseC-LL9024D10AF08EE1C3
2016-01-19MadPoo 🙂C-LL9024D10AF08EE1C3
2015-12-04-anonymous-NFno factor TF: 71-72
2015-09-18LaurVNFno factor TF: 70-71
2015-09-01-anonymous-NFno factor TF: 69-70
2010-02-24ANONYMOUSC-LLF0B046C746931B9F
2010-01-16ANONYMOUSNF-PM1B1=560000, B2=13720000
2008-05-10-anonymous-NFno factor TF: 1-69
2008-04-24Wojciech FlorekNFno factor TF: 1-64
2008-03-031997rj7NFno factor TF: 1-63
2003-06-06Thomas MullenNFno factor TF: 1-59