34 718 269 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 2⁷⁶

TF target 2⁷¹

P-1

B1 =	425000
B2 =	10518750

Status	Date	User	Residue	Shift	Software
Verified	2006-01-01	Phil Frakes	737AD9BDB1EF88BB	31482890	Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified	2012-07-07	pfrakes	737AD9BDB1EF88BB	19780728	Windows 64-bit,Prime95,v27.7,build 2
Verified	2012-08-15	Dubslow	737AD9BDB1EF88BB	0	CUDALucas v2.04 Beta

History

Date	User	Type	Result
2021-03-30	-anonymous-	NF	no factor TF: 75-76
2021-03-26	-anonymous-	NF	no factor TF: 74-75
2020-03-13	-anonymous-	NF	no factor TF: 73-74
2019-10-19	-anonymous-	NF	no factor TF: 72-73
2012-08-15	Dubslow	C-LL	737AD9BDB1EF88BB
2012-08-10	ANONYMOUS	NF	no factor TF: 71-72
2012-08-10	ANONYMOUS	NF	no factor TF: 70-71
2012-08-10	ANONYMOUS	NF	no factor TF: 69-70
2012-08-09	ANONYMOUS	NF	no factor TF: 68-69
2012-07-07	pfrakes	C-LL	737AD9BDB1EF88BB
2012-03-02	Carsten Kossendey	NF	no factor TF: 67-68
2006-01-01	-anonymous-	C-LL	737AD9BDB1EF88BB
2005-08-16	deekayen	NF	no factor TF: 1-67
2005-08-16	deekayen	NF-PM1	B1=425000, B2=10518750
2005-08-01	deekayen	NF	no factor TF: 1-67
2003-12-13	-anonymous-	NF	no factor TF: 1-61