34 442 467 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 2⁷⁵

TF target 2⁷¹

P-1

B1 =	1500000
B2 =	45000000

Status	Date	User	Residue	Shift	Software
Verified	2005-10-04	Mischa Kenn	EC236365302690D6	18959219	Windows,Prime95,v23,(aka WZ1)
Verified	2015-06-05	Dubslow	EC236365302690D6	1191485	Linux 64-bit,Prime95,v28.6,build 1
Verified	2015-08-05	Richard	EC236365302690D6	10014725	Linux 64-bit,Prime95,v27.7,build 2

History

Date	User	Type	Result
2024-05-30	Chuck	NF	no factor TF: 68-69
2021-10-31	Sid & Andy	NF	no factor TF: 74-75
2021-08-07	megavink	NF-PM1	B1=1500000, B2=45000000
2020-03-17	-anonymous-	NF	no factor TF: 73-74
2019-10-26	LaurV	NF	no factor TF: 72-73
2019-10-26	LaurV	NF	no factor TF: 71-72
2015-08-05	Richard	C-LL	EC236365302690D6
2015-06-05	Dubslow	C-LL	EC236365302690D6
2014-02-15	LaurV	NF	no factor TF: 70-71
2014-02-15	LaurV	NF	no factor TF: 69-70
2013-08-13	Carsten Kossendey	NF	no factor TF: 68-69
2005-11-27	Michael Kenn	C-LL	EC236365302690D6
2005-10-04	Michael Kenn	C-LL	EC236365302690D6
2005-03-06	-anonymous-	NF	no factor TF: 1-68
2005-03-06	-anonymous-	NF-PM1	B1=400000, B2=9000000
2004-11-03	1997rj7	NF	no factor TF: 1-62
2003-11-28	-anonymous-	NF	no factor TF: 1-61