34 504 139 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 =	500000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2005-07-17	jim Lewis	2FD2692317D9CB2B	27712576	Windows,Prime95,v23,(aka WZ1)
Verified	2015-06-15	Dubslow	2FD2692317D9CB2B	26824084	Linux 64-bit,Prime95,v28.6,build 1

History

Date	User	Type	Result
2024-06-06	LaurV	NF	no factor TF: 70-71
2024-06-06	LaurV	NF	no factor TF: 69-70
2020-02-01	Sid & Andy	NF	no factor TF: 73-74
2019-10-31	-anonymous-	NF	no factor TF: 71-72
2019-10-31	-anonymous-	NF	no factor TF: 72-73
2015-06-15	Dubslow	C-LL	2FD2692317D9CB2B
2015-02-04	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-02-21	Architects Cubed	NF	no factor TF: 70-71
2014-02-21	Architects Cubed	NF	no factor TF: 69-70
2013-07-29	Le Comte	NF	no factor TF: 68-69
2006-10-01	-anonymous-	NF	no factor TF: 1-68
2006-10-01	-anonymous-	C-LL	2FD2692317D9CB2B
2006-10-01	-anonymous-	NF-PM1	B1=540000
2005-07-17	-anonymous-	C-LL	2FD2692317D9CB2B
2005-03-20	-anonymous-	NF	no factor TF: 1-68
2005-03-20	-anonymous-	NF-PM1	B1=540000
2003-09-14	mdrg	NF	no factor TF: 1-62