84 719 197 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 =	670000
B2 =	12395000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-03-27	LookAS	041114A44A90CC9E	24511524	1	3
Verified	PRP without proof (not generated)	2021-08-07	ATH	041114A44A90CC9E	0	1	3

History

Date	User	Type	Result
2021-08-07	ATH	C-PRP	041114A44A90CC9E
2018-03-27	LookAS	C-PRP	041114A44A90CC9E
2017-12-10	TheJudger	NF-PM1	B1=670000, B2=12395000
2017-06-04	TheJudger	NF	no factor TF: 75-76
2017-06-02	Brian Beuning	NF	no factor TF: 74-75
2017-05-12	-anonymous-	NF	no factor TF: 73-74
2017-02-07	Judge Hale	NF	no factor TF: 71-72
2017-02-07	Judge Hale	NF	no factor TF: 72-73
2014-08-11	Ryan Propper	NF	no factor TF: 70-71
2014-02-16	GrunwalderGIMP	NF	no factor TF: 69-70
2014-02-13	Chih-Wei Huang	NF	no factor TF: 68-69
2013-12-13	Jens Pedersen	NF	no factor TF: 67-68
2013-02-20	Freaks32	NF	no factor TF: 66-67
2013-02-20	-anonymous-	NF	no factor TF: 66-67
2012-09-13	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-24	Architects Cubed	NF	no factor TF: 64-65