84 656 911 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 =	12825000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-12-27	rucio	06F845215E3149E2	71252326	1	3
Verified	Certified Good Power=8	2022-02-06	ATH	06F845215E3149E2	0	1	3

History

Date	User	Type	Result
2022-02-07	ANONYMOUS	CERT	Proof certified good
2022-02-06	ATH	C-PRP	06F845215E3149E2 Proof Certified Good Proof Power: 8
2018-12-27	rucio	C-PRP	06F845215E3149E2
2017-11-24	Cubox	NF-PM1	B1=675000, B2=12825000, E=6
2017-05-22	TheJudger	NF	no factor TF: 75-76
2017-05-22	TheJudger	NF	no factor TF: 74-75
2017-05-01	-anonymous-	NF	no factor TF: 73-74
2017-02-01	Judge Hale	NF	no factor TF: 72-73
2017-02-01	Judge Hale	NF	no factor TF: 71-72
2014-08-17	SMoffat	NF	no factor TF: 70-71
2014-06-14	SMoffat	NF	no factor TF: 69-70
2014-04-12	hkskyp	NF	no factor TF: 68-69
2014-04-12	SMoffat	NF	no factor TF: 67-68
2013-02-21	Smok_bmv	NF	no factor TF: 66-67
2012-09-13	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-07	Architects Cubed	NF	no factor TF: 64-65