33 515 059 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 =	380000
B2 =	7790000

Status	Date	User	Residue	Shift	Software
Verified	2003-11-28	Rick Adams	3DDB8BB96192C4E7	29771121	Windows,Prime95,v23,(aka WZ1)
Verified	2014-11-15	Dubslow	3DDB8BB96192C4E7	27592276	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-07-29	LaurV	NF	no factor TF: 71-72
2014-11-15	Dubslow	C-LL	3DDB8BB96192C4E7
2013-04-29	Bill Staffen	NF	no factor TF: 70-71
2013-04-29	Bill Staffen	NF	no factor TF: 69-70
2012-12-23	Carsten Kossendey	NF	no factor TF: 68-69
2003-11-28	rick	C-LL	3DDB8BB96192C4E7
2003-10-08	rick	NF-PM1	B1=380000, B2=7790000
2003-10-08	rick	NF	no factor TF: 1-68