84 682 211 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)	2019-05-29	Franklin Webber	671E7BD73A160B92	6285107	1	3
Verified	Certified Good Power=9	2021-08-10	Kriesel	671E7BD73A160B92	77027311	1	3

History

Date	User	Type	Result
2021-08-11	curtisc	CERT	Proof certified good
2021-08-10	Kriesel	C-PRP	671E7BD73A160B92 Proof Certified Good Proof Power: 9
2019-05-29	Franklin Webber	C-PRP	671E7BD73A160B92
2019-04-27	ATH	NF	no factor TF: 1-63
2019-04-27	ATH	NF	no factor TF: 63-64
2017-12-03	TheJudger	NF-PM1	B1=670000, B2=12395000
2017-06-03	electron1897	NF	no factor TF: 75-76
2017-05-26	Brian Beuning	NF	no factor TF: 74-75
2013-10-28	processinfo	NF	no factor TF: 73-74
2013-10-28	processinfo	NF	no factor TF: 72-73
2013-10-28	processinfo	NF	no factor TF: 71-72
2013-10-28	processinfo	NF	no factor TF: 70-71
2013-10-28	processinfo	NF	no factor TF: 69-70
2013-10-28	processinfo	NF	no factor TF: 68-69
2013-10-28	processinfo	NF	no factor TF: 67-68
2013-10-28	processinfo	NF	no factor TF: 66-67
2012-08-05	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-07	Architects Cubed	NF	no factor TF: 64-65