34 548 887 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 =	395000
B2 =	7998750

Status	Date	User	Residue	Shift	Software
Verified	2005-06-19	Christophe Lambert	E45782C7B72F8EA7	14797720	Linux 32-bit,Prime95,v24 early,(aka Wa2)
Verified	2015-05-01	Dubslow	E45782C7B72F8EA7	25491306	Linux 64-bit,Prime95,v28.6,build 1

History

Date	User	Type	Result
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-11-08	-anonymous-	NF	no factor TF: 71-72
2015-05-01	Dubslow	C-LL	E45782C7B72F8EA7
2014-03-04	amphoria	NF	no factor TF: 70-71
2014-03-04	amphoria	NF	no factor TF: 69-70
2012-11-10	kracker	NF	no factor TF: 68-69
2005-06-19	clambert	C-LL	E45782C7B72F8EA7
2005-05-12	clambert	NF-PM1	B1=395000, B2=7998750
2005-05-12	clambert	NF	no factor TF: 1-68
2003-09-29	mdrg	NF	no factor TF: 1-62