33 601 109 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷¹

P-1

B1 =	600000
B2 =	15500000

Status	Date	User	Residue	Shift	Software
Verified	2008-03-30	Serge Batalov	16BC306704C9BF79	25944644	Windows,Prime95,v25 beta,(aka Wd1)
Verified	2014-12-08	riccardo uberti	16BC306704C9BF79	4431652	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-04-18	-anonymous-	NF	no factor TF: 73-74
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2014-12-08	riccardo uberti	C-LL	16BC306704C9BF79
2014-12-02	riccardo uberti	NF-PM1	B1=600000, B2=15500000, E=12
2013-04-29	Axelsson	NF	no factor TF: 70-71
2013-04-29	Axelsson	NF	no factor TF: 69-70
2008-04-24	Serge Batalov	NF	no factor TF: 67-68
2008-04-24	Serge Batalov	NF	no factor TF: 1-69
2008-04-24	Serge Batalov	NF	no factor TF: 68-69
2008-03-29	Serge Batalov	C-LL	16BC306704C9BF79
2003-06-06	markr	NF	no factor TF: 1-64