84 397 219 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	675000
B2 =	13331250

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-04-09	ky0uraku	691803DF878AFA84	65012687	1	3
Verified	2021-03-23	Nguyen Huy Anh	691803DF878AFA84	35415439	1	3

History

Date	User	Type	Result
2021-03-23	Nguyen Huy Anh	C-PRP	691803DF878AFA84 PRP proof power = 9 PRP: Verified PRP proof never uploaded
2019-04-09	ky0uraku	C-PRP	691803DF878AFA84 PRP: Verified PRP without proof (not generated)
2017-10-29	TheJudger	NF-PM1	B1=675000, B2=13331250, E=12
2017-04-24	TheJudger	NF	no factor from 2^75 to 2^76
2017-04-24	TheJudger	NF	no factor from 2^74 to 2^75
2017-04-19	Brian Beuning	NF	no factor from 2^73 to 2^74
2017-01-26	Judge Hale	NF	no factor from 2^72 to 2^73
2017-01-26	Judge Hale	NF	no factor from 2^71 to 2^72
2013-07-12	Norman Ley	NF	no factor from 2^70 to 2^71
2013-02-23	La Güira	NF	no factor from 2^67 to 2^68
2013-02-21	-Anonymous-	NF	no factor from 2^69 to 2^70
2013-02-21	-Anonymous-	NF	no factor from 2^68 to 2^69
2013-02-21	-Anonymous-	NF	no factor from 2^67 to 2^68
2013-02-20	Juergen Kampmeier	NF	no factor from 2^66 to 2^67
2012-08-05	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-09	Architects Cubed	NF	no factor from 2^64 to 2^65