33 403 459 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 =	5906250

Status	Date	User	Residue	Shift	Software
Verified	2003-05-11	husseinp	0A9B3551E1B2EE55	29178266	Linux 32-bit,Prime95,v22,(aka WY2)
Verified	2014-10-20	Dubslow	0A9B3551E1B2EE55	4324562	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-03-25	-anonymous-	NF	no factor TF: 73-74
2019-11-15	-anonymous-	NF	no factor TF: 71-72
2019-11-15	-anonymous-	NF	no factor TF: 72-73
2014-10-20	Dubslow	C-LL	0A9B3551E1B2EE55
2014-01-31	Mark Rose	NF	no factor TF: 70-71
2012-09-01	Patrik Johansson	NF	no factor TF: 68-70
2003-05-11	-anonymous-	C-LL	0A9B3551E1B2EE55
2002-12-31	-anonymous-	NF-PM1	B1=375000, B2=5906250
2002-12-25	-anonymous-	NF	no factor TF: 1-68