37 357 091 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	400000
B2 =	12000000

Status	Date	User	Residue	Shift	Software
Verified	2007-03-04	ben king	F2938ABC293C9A83	6674512	Windows,Prime95,v23,(aka WZ1)
Verified	2016-08-26	Dubslow	F2938ABC293C9A83	32376924	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2020-02-21	-anonymous-	NF	no factor TF: 73-74
2019-10-26	-anonymous-	NF	no factor TF: 72-73
2019-10-26	-anonymous-	NF	no factor TF: 71-72
2016-08-26	Dubslow	C-LL	F2938ABC293C9A83
2016-02-09	HBendtz	NF-PM1	B1=400000, B2=12000000, E=12
2014-11-27	garo	NF	no factor TF: 70-71
2014-10-27	VictordeHollander	NF	no factor TF: 69-70
2007-03-04	-anonymous-	C-LL	F2938ABC293C9A83
2007-01-16	-anonymous-	NF-PM1	B1=530000
2006-04-28	-anonymous-	NF	no factor TF: 1-69