34 536 857 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 =	390000
B2 =	7897500

Status	Date	User	Residue	Shift	Software
Verified	2005-09-03	Tony Pillay	EF5FFAAE20C5938E	30452733	Windows,Prime95,v23,(aka WZ1)
Verified	2015-04-24	Dubslow	EF5FFAAE20C5938E	4371475	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	EF5FFAAE20C5938E
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
2005-09-03	Galeo	C-LL	EF5FFAAE20C5938E
2005-08-01	Galeo	NF	no factor TF: 1-68
2005-08-01	Galeo	NF-PM1	B1=390000, B2=7897500
2003-09-29	mdrg	NF	no factor TF: 1-62