33 199 541 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 2⁷³

TF target 2⁷¹

P-1

B1 =	390000
B2 =	10335000

Status	Date	User	Residue	Shift	Software
Verified	2007-12-03	Leguay	0DBAE5798FA28A8F	28222344	Windows,Prime95,v24 final,(aka Wc1)
Verified	2014-10-07	Dubslow	0DBAE5798FA28A8F	11814680	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2019-11-22	-anonymous-	NF	no factor TF: 71-72
2019-11-22	-anonymous-	NF	no factor TF: 72-73
2014-10-07	Dubslow	C-LL	0DBAE5798FA28A8F
2014-01-14	bayanne	NF	no factor TF: 70-71
2012-12-27	apsen	NF	no factor TF: 69-70
2012-12-27	apsen	NF	no factor TF: 68-69
2007-12-03	-anonymous-	C-LL	0DBAE5798FA28A8F
2007-07-04	-anonymous-	NF-PM1	B1=390000, B2=10335000
2007-06-15	-anonymous-	NF	no factor TF: 1-68
2006-01-15	-anonymous-	NF	no factor TF: 1-67
2005-02-23	1997rj7	NF	no factor TF: 1-61
2001-09-01	Net_Force	NF	no factor TF: 1-56