84 004 321 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 PRP test

No factors below 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	670000
B2 =	13232500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-03-14	TravisJank	718453D50E8FF01D	13761555	1	3
Verified	PRP without proof (not generated)	2020-10-06	TheJudger	718453D50E8FF01D	15798161	1	3

History

Date	User	Type	Result
2020-10-06	TheJudger	C-PRP	718453D50E8FF01D
2020-10-06	TheJudger	NF	no factor TF: 76-77
2019-03-14	TravisJank	C-PRP	718453D50E8FF01D
2017-04-24	TheJudger	NF-PM1	B1=670000, B2=13232500, E=12
2017-03-26	TheJudger	NF	no factor TF: 75-76
2017-02-20	Brian Beuning	NF	no factor TF: 74-75
2017-02-04	RichD0	NF	no factor TF: 73-74
2016-09-03	Gordon Bower	NF	no factor TF: 72-73
2016-09-03	Gordon Bower	NF	no factor TF: 71-72
2013-08-10	evatutin	NF	no factor TF: 70-71
2013-07-16	Le Comte	NF	no factor TF: 69-70
2013-07-16	Le Comte	NF	no factor TF: 68-69
2013-02-21	SMoffat	NF	no factor TF: 67-68
2012-04-23	c10ck3r	NF	no factor TF: 66-67
2011-06-12	riccardo uberti	NF	no factor TF: 65-66
2010-12-08	Architects Cubed	NF	no factor TF: 64-65