33 603 043 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 =	10237500

Status	Date	User	Residue	Shift	Software
Verified	2003-11-28	John Michael Hanson	9554261FB43A37C4	10366764	Windows,Prime95,v23,(aka WZ1)
Verified	2014-11-07	Richard	9554261FB43A37C4	25201607	Linux 64-bit,Prime95,v27.7,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
2014-11-07	Richard	C-LL	9554261FB43A37C4
2013-05-13	kdgehman	NF	no factor TF: 70-71
2013-05-13	kdgehman	NF	no factor TF: 69-70
2012-11-23	kracker	NF	no factor TF: 68-69
2003-11-28	-anonymous-	C-LL	9554261FB43A37C4
2003-10-14	-anonymous-	NF	no factor TF: 1-68
2003-10-14	-anonymous-	NF-PM1	B1=390000, B2=10237500