33 434 227 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 =	375000
B2 =	7500000

Status	Date	User	Residue	Shift	Software
Verified	2003-06-23	Hochul K. Lee	56838FA74CE2493E	9362033	Windows,Prime95,v22,(aka WY1)
Verified	2014-10-26	Dubslow	56838FA74CE2493E	17661790	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-03-22	-anonymous-	NF	no factor TF: 73-74
2019-11-22	-anonymous-	NF	no factor TF: 72-73
2019-11-22	-anonymous-	NF	no factor TF: 71-72
2014-10-26	Dubslow	C-LL	56838FA74CE2493E
2014-02-01	ktony	NF	no factor TF: 70-71
2013-01-02	bcp19	NF	no factor TF: 68-69
2013-01-02	bcp19	NF	no factor TF: 69-70
2003-06-23	-anonymous-	C-LL	56838FA74CE2493E
2003-03-07	-anonymous-	NF-PM1	B1=375000, B2=7500000
2003-03-07	-anonymous-	NF	no factor TF: 1-68
2002-03-03	-anonymous-	NF	no factor TF: 1-60