33 788 903 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 =	400000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2004-04-09	Dongsheng Liu	CBB1E849212EE481	8084370	Linux 32-bit,Prime95,v23,(aka WZ2)
Verified	2015-01-25	Dubslow	CBB1E849212EE481	4216074	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-04-22	-anonymous-	NF	no factor TF: 73-74
2019-11-15	-anonymous-	NF	no factor TF: 72-73
2019-11-15	-anonymous-	NF	no factor TF: 71-72
2015-01-25	Dubslow	C-LL	CBB1E849212EE481
2014-05-02	Axelsson	NF	no factor TF: 70-71
2013-01-03	apsen	NF	no factor TF: 68-69
2013-01-03	apsen	NF	no factor TF: 69-70
2004-04-09	DL	C-LL	CBB1E849212EE481
2004-02-23	DL	NF-PM1	B1=400000, B2=9000000
2004-02-23	DL	NF	no factor TF: 1-68