37 160 243 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 =	450000
B2 =	9675000

Status	Date	User	Residue	Shift	Software
Verified	2007-07-04	Sam Laur	B50862852823E327	22704018	Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified	2016-08-16	Dubslow	B50862852823E327	3164261	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2022-07-28	RichD0	NF	no factor TF: 72-73
2022-06-04	Dylan Delgado	NF	no factor TF: 71-72
2016-08-16	Dubslow	C-LL	B50862852823E327
2014-02-28	LaurV	NF	no factor TF: 70-71
2013-05-15	garo	NF	no factor TF: 69-70
2013-05-15	garo	NF	no factor TF: 68-69
2012-04-02	Serge Batalov	NF	no factor TF: 67-68
2007-07-04	slaur	C-LL	B50862852823E327
2007-04-07	slaur	NF-PM1	B1=450000, B2=9675000
2006-10-01	EPF	NF	no factor TF: 1-67