84 647 401 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 =	680000
B2 =	13260000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-04-18	TravisJank	5F44BF0958430321	44996906	1	3
Verified	Certified Good Power=9	2021-09-02	tottenhoff	5F44BF0958430321	57003096	1	3

History

Date	User	Type	Result
2021-09-02	Ben Delo	CERT	Proof certified good
2021-09-02	tottenhoff	C-PRP	5F44BF0958430321 Proof Certified Good Proof Power: 9
2019-04-27	ATH	NF	no factor TF: 1-63
2019-04-27	ATH	NF	no factor TF: 63-64
2019-04-18	TravisJank	C-PRP	5F44BF0958430321
2017-12-05	mgpainter	NF-PM1	B1=680000, B2=13260000
2017-05-28	TheJudger	NF	no factor TF: 75-76
2017-05-22	Brian Beuning	NF	no factor TF: 74-75
2017-05-19	-anonymous-	NF	no factor TF: 73-74
2017-02-01	Judge Hale	NF	no factor TF: 71-72
2017-02-01	Judge Hale	NF	no factor TF: 72-73
2014-11-19	wombatman	NF	no factor TF: 70-71
2014-04-22	DasDaniel	NF	no factor TF: 69-70
2014-04-15	DasDaniel	NF	no factor TF: 68-69
2014-04-14	Preben S	NF	no factor TF: 67-68
2014-04-12	SMoffat	NF	no factor TF: 66-67
2012-08-20	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-01	Architects Cubed	NF	no factor TF: 64-65