33 604 469 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 =	290000
B2 =	5220000

Status	Date	User	Residue	Shift	Software
Verified		Jim Tippins	4EEF8A4F4E72AF6B	31192997	Windows,Prime95,v23,(aka WZ1)
Verified	2014-09-07	Chris Tew	4EEF8A4F4E72AF6B	27584732	Windows 64-bit,Prime95,v27.7,build 2

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-04-19	-anonymous-	NF	no factor TF: 73-74
2019-12-07	-anonymous-	NF	no factor TF: 72-73
2018-09-05	Architects Cubed	NF-PM1	B1=290000, B2=5220000, E=6
2018-08-21	Architects Cubed	NF	no factor TF: 71-72
2016-03-27	Mark Rose	NF	no factor TF: 67-68
2016-03-27	Mark Rose	NF	no factor TF: 66-67
2016-03-27	Mark Rose	NF	no factor TF: 64-66
2016-02-23	Mark Rose	NF	no factor TF: 1-64
2014-09-07	Chris Tew	C-LL	4EEF8A4F4E72AF6B
2013-05-13	kdgehman	NF	no factor TF: 70-71
2013-05-13	kdgehman	NF	no factor TF: 69-70
2012-12-16	Carsten Kossendey	NF	no factor TF: 68-69