84 198 589 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	675000
B2 =	13331250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-04-18	Kriesel	0534EDC6BC96D08B	66767665	1	3
Verified	PRP without proof (not generated)	2021-11-16	ATH	0534EDC6BC96D08B	0	1	3

History

Date	User	Type	Result
2021-11-16	ATH	C-PRP	0534EDC6BC96D08B
2019-04-24	ATH	NF	no factor TF: 1-63
2019-04-24	ATH	NF	no factor TF: 63-64
2019-04-18	Kriesel	C-PRP	0534EDC6BC96D08B
2017-11-03	Oliver Kruse	NF-PM1	B1=675000, B2=13331250, E=12
2017-04-19	TheJudger	NF	no factor TF: 75-76
2017-04-19	TheJudger	NF	no factor TF: 74-75
2017-03-13	RichD0	NF	no factor TF: 73-74
2017-01-12	Judge Hale	NF	no factor TF: 71-72
2017-01-12	Judge Hale	NF	no factor TF: 72-73
2014-08-30	SMoffat	NF	no factor TF: 70-71
2014-04-11	hkskyp	NF	no factor TF: 69-70
2014-04-11	hkskyp	NF	no factor TF: 68-69
2014-04-11	hkskyp	NF	no factor TF: 67-68
2014-04-11	hkskyp	NF	no factor TF: 66-67
2012-08-21	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-23	Architects Cubed	NF	no factor TF: 64-65