34 568 419 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 =	4015000

Status	Date	User	Residue	Shift	Software
Verified	2005-07-17	Jirka Klaue	6B4A1F93BE4EF02E	22396934	Linux 32-bit,Prime95,v23,(aka WZ2)
Verified	2015-08-30	vats09	6B4A1F93BE4EF02E	1574042	Windows 64-bit,Prime95,v28.5,build 2
Verified	2015-09-09	Dubslow	6B4A1F93BE4EF02E	11626880	Linux 64-bit,Prime95,v28.6,build 1

History

Date	User	Type	Result
2024-05-30	Chuck	NF	no factor TF: 68-69
2019-10-31	-anonymous-	NF	no factor TF: 71-72
2019-10-31	-anonymous-	NF	no factor TF: 72-73
2015-09-09	Dubslow	C-LL	6B4A1F93BE4EF02E
2015-08-30	vats09	C-LL	6B4A1F93BE4EF02E
2014-08-17	srow7	NF	no factor TF: 70-71
2014-07-06	VictordeHollander	NF	no factor TF: 69-70
2013-08-16	Carsten Kossendey	NF	no factor TF: 68-69
2005-07-17	-anonymous-	C-LL	6B4A1F93BE4EF02E
2005-06-05	-anonymous-	NF	no factor TF: 1-68
2005-06-05	-anonymous-	NF-PM1	B1=365000, B2=4015000
2003-10-08	mdrg	NF	no factor TF: 1-62