33 593 741 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 =	340000
B2 =	3230000

Status	Date	User	Residue	Shift	Software
Verified	2003-11-28	Stephan Grupp	D3C9DE8F736698EA	2327975	Windows,Prime95,v23,(aka WZ1)
Verified	2014-12-11	Dubslow	D3C9DE8F736698EA	13791643	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-04-21	-anonymous-	NF	no factor TF: 73-74
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-09-27	Architects Cubed	NF	no factor TF: 71-72
2014-12-11	Dubslow	C-LL	D3C9DE8F736698EA
2014-02-05	-anonymous-	NF	no factor TF: 70-71
2013-01-10	bcp19	NF	no factor TF: 69-70
2012-12-30	Carsten Kossendey	NF	no factor TF: 68-69
2003-11-28	Stephan Grupp	C-LL	D3C9DE8F736698EA
2003-10-31	Stephan Grupp	NF	no factor TF: 1-68
2003-10-31	Stephan Grupp	NF-PM1	B1=340000, B2=3230000