33 669 287 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 =	460000
B2 =	9085000

Status	Date	User	Residue	Shift	Software
Verified	2004-11-22	John Cahill	3B2D22C53ADC31D2	26811627	Windows,Prime95,v23,(aka WZ1)
Verified	2014-12-24	Dubslow	3B2D22C53ADC31D2	20719619	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-04-21	-anonymous-	NF	no factor TF: 73-74
2019-12-07	-anonymous-	NF	no factor TF: 72-73
2018-09-16	Architects Cubed	NF-PM1	B1=460000, B2=9085000, E=12
2018-08-26	Architects Cubed	NF	no factor TF: 71-72
2014-12-24	Dubslow	C-LL	3B2D22C53ADC31D2
2014-05-11	Axelsson	NF	no factor TF: 70-71
2012-12-25	bcp19	NF	no factor TF: 69-70
2012-12-25	bcp19	NF	no factor TF: 68-69
2004-11-30	-anonymous-	C-LL	3B2D22C53ADC31D2
2004-11-22	-anonymous-	C-LL	3B2D22C53ADC31D2
2004-07-26	-anonymous-	NF-PM1	B1=500000
2004-07-13	-anonymous-	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