33 661 843 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 =	390000
B2 =	9847500

Status	Date	User	Residue	Shift	Software
Bad	2007-01-01	Kelly Kelley	1BDC1730EDA72594	28209178	Windows,Prime95,v23,(aka WZ1)
Verified	2014-12-14	Architects Cubed	22ECCBE0A2001BBB	20560268	Linux 64-bit,Prime95,v27.9,build 1
Verified	2014-12-24	Dubslow	22ECCBE0A2001BBB	7731227	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-04-19	-anonymous-	NF	no factor TF: 73-74
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2014-12-24	Dubslow	C-LL	22ECCBE0A2001BBB
2014-12-14	Architects Cubed	C-LL	22ECCBE0A2001BBB
2014-04-13	axn	NF	no factor TF: 70-71
2012-12-22	MikeBerlin	NF	no factor TF: 69-70
2012-12-22	MikeBerlin	NF	no factor TF: 68-69
2007-01-01	Kprime	C-LL	1BDC1730EDA72594
2004-11-03	Team Prime Rib	NF-PM1	B1=390000, B2=9847500
2004-11-03	Team Prime Rib	NF	no factor TF: 1-68
2003-08-31	markr	NF	no factor TF: 1-64
2003-07-21	markr	NF	no factor TF: 1-63