35 019 563 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 =	415000
B2 =	7366250

Status	Date	User	Residue	Shift	Software
Verified	2006-02-01	Tyler	637E5B67DC5D7439	1672051	Windows,Prime95,v24 final,(aka Wc1)
Verified	2015-12-19	Dubslow	637E5B67DC5D7439	28662228	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2022-09-19	Sid & Andy	NF	no factor TF: 72-73
2019-06-04	Sid & Andy	NF	no factor TF: 71-72
2015-12-19	Dubslow	C-LL	637E5B67DC5D7439
2014-02-07	LaurV	NF	no factor TF: 70-71
2013-02-21	David Campeau	NF	no factor TF: 69-70
2013-02-21	David Campeau	NF	no factor TF: 68-69
2012-03-13	Serge Batalov	NF	no factor TF: 67-68
2006-02-01	-anonymous-	C-LL	637E5B67DC5D7439
2005-12-24	-anonymous-	NF-PM1	B1=415000, B2=7366250
2005-12-24	-anonymous-	NF	no factor TF: 1-67
2004-07-26	-anonymous-	NF	no factor TF: 1-61