84 680 107 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)	2019-01-02	George Woltman	606AF0DB31233D4A	66592265	1	3
Verified	Certified Good Power=10	2021-08-10	Kriesel	606AF0DB31233D4A	0	1	3

History

Date	User	Type	Result
2021-08-10	GIMPS-PRIM	CERT	Proof certified good
2021-08-10	Kriesel	C-PRP	606AF0DB31233D4A Proof Certified Good Proof Power: 10
2019-01-02	George Woltman	C-PRP	606AF0DB31233D4A
2017-11-26	TheJudger	NF-PM1	B1=670000, B2=12395000
2017-07-05	Mark Rose	NF	no factor TF: 75-76
2017-07-03	Son Johan	NF	no factor TF: 74-75
2017-05-12	-anonymous-	NF	no factor TF: 73-74
2017-02-04	Judge Hale	NF	no factor TF: 71-72
2017-02-04	Judge Hale	NF	no factor TF: 72-73
2013-12-02	PascalBieri	NF	no factor TF: 70-71
2013-11-08	Taz-i7	NF	no factor TF: 69-70
2013-09-01	qwertyuio999	NF	no factor TF: 68-69
2013-08-28	qwertyuio999	NF	no factor TF: 67-68
2013-08-23	qwertyuio999	NF	no factor TF: 66-67
2012-08-26	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-03	Architects Cubed	NF	no factor TF: 64-65