34 548 961 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 =	375000
B2 =	6093750

Status	Date	User	Residue	Shift	Software
Bad	2006-10-01	William Fay	6E3E1592BAC23437	10651139	Windows,Prime95,v23,(aka WZ1)
Verified	2015-05-01	Dubslow	AF59565EDBD8BA7A	4290227	Linux 64-bit,Prime95,v28.6,build 1
Verified	2015-05-14	MadPoo 🙂	AF59565EDBD8BA7A	4209490	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2024-05-30	Chuck	NF	no factor TF: 68-69
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-11-08	-anonymous-	NF	no factor TF: 71-72
2015-05-14	MadPoo 🙂	C-LL	AF59565EDBD8BA7A
2015-05-01	Dubslow	C-LL	AF59565EDBD8BA7A
2014-03-04	amphoria	NF	no factor TF: 70-71
2014-03-04	amphoria	NF	no factor TF: 69-70
2013-08-16	Carsten Kossendey	NF	no factor TF: 68-69
2006-10-01	Ugly2dog	NF-PM1	B1=375000, B2=6093750
2006-10-01	Ugly2dog	NF	no factor TF: 1-68
2006-10-01	Ugly2dog	C-LL	6E3E1592BAC23437
2005-09-03	Ugly2dog	C-LL	6E3E1592BAC23437
2005-05-12	Ugly2dog	NF	no factor TF: 1-68
2005-05-12	Ugly2dog	NF-PM1	B1=375000, B2=6093750
2003-09-29	mdrg	NF	no factor TF: 1-62