34 536 839 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 2⁷³

TF target 2⁷¹

P-1

B1 =	365000
B2 =	4380000

Status	Date	User	Residue	Shift	Software
Verified	2005-07-01	Jirka Klaue	A31FA809AF7DC75C	25937500	Windows,Prime95,v23,(aka WZ1)
Verified	2015-04-24	Dubslow	A31FA809AF7DC75C	33516751	Linux 64-bit,Prime95,v28.6,build 1

History

Date	User	Type	Result
2024-05-30	Chuck	NF	no factor TF: 68-69
2019-11-08	-anonymous-	NF	no factor TF: 71-72
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2015-04-24	Dubslow	C-LL	A31FA809AF7DC75C
2014-03-07	The Mawn	NF	no factor TF: 70-71
2014-03-07	The Mawn	NF	no factor TF: 69-70
2013-08-16	Carsten Kossendey	NF	no factor TF: 68-69
2005-07-01	-anonymous-	C-LL	A31FA809AF7DC75C
2005-04-26	-anonymous-	NF	no factor TF: 1-68
2005-04-26	-anonymous-	NF-PM1	B1=365000, B2=4380000
2003-09-29	mdrg	NF	no factor TF: 1-62