33 514 483 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 =	370000
B2 =	6567500

Status	Date	User	Residue	Shift	Software
Verified	2003-11-08	Albrecht Heeffer	8B673BEB300B5C44	31390614	Windows,Prime95,v23,(aka WZ1)
Verified	2014-11-15	Dubslow	8B673BEB300B5C44	10167524	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2021-11-17	Smok_bmv	NF	no factor TF: 73-74
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-07-28	LaurV	NF	no factor TF: 71-72
2014-11-15	Dubslow	C-LL	8B673BEB300B5C44
2014-01-31	owftheevil	NF	no factor TF: 70-71
2013-01-04	David Campeau	NF	no factor TF: 69-70
2012-12-29	Carsten Kossendey	NF	no factor TF: 68-69
2003-11-08	Albrecht Heeffer	C-LL	8B673BEB300B5C44
2003-10-08	Albrecht Heeffer	NF	no factor TF: 1-68
2003-10-08	Albrecht Heeffer	NF-PM1	B1=370000, B2=6567500