33 604 573 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 =	370000
B2 =	6197500

Status	Date	User	Residue	Shift	Software
Verified	2004-01-27	Anatole Kaushanski	554A0F87821E7D4F	84040	Windows,Prime95,v23,(aka WZ1)
Verified	2014-09-18	1997rj7	554A0F87821E7D4F	26243943	Windows,Prime95,v26,(aka We1)

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
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2014-09-18	1997rj7	C-LL	554A0F87821E7D4F
2014-04-10	axn	NF	no factor TF: 70-71
2013-01-10	marssystems	NF	no factor TF: 69-70
2012-12-31	Carsten Kossendey	NF	no factor TF: 68-69
2005-03-20	-anonymous-	NF-PM1	B1=370000, B2=6197500
2005-02-02	-anonymous-	NF	no factor TF: 1-68
2004-01-27	-anonymous-	C-LL	554A0F87821E7D4F