33 513 707 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 =	370000
B2 =	6567500

Status	Date	User	Residue	Shift	Software
Verified	2003-07-21	David Meyer	D77C6C4F1822F0A8	15439770	Linux 32-bit,Prime95,v23,(aka WZ2)
Verified	2014-11-15	Dubslow	D77C6C4F1822F0A8	29595666	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2019-11-09	-anonymous-	NF	no factor TF: 72-73
2019-07-28	LaurV	NF	no factor TF: 71-72
2014-11-15	Dubslow	C-LL	D77C6C4F1822F0A8
2013-04-29	Bill Staffen	NF	no factor TF: 70-71
2013-04-29	Bill Staffen	NF	no factor TF: 69-70
2012-10-13	Numberwang	NF	no factor TF: 68-69
2003-07-21	-anonymous-	C-LL	D77C6C4F1822F0A8
2003-06-06	-anonymous-	NF	no factor TF: 1-68
2003-06-06	-anonymous-	NF-PM1	B1=370000, B2=6567500