84 646 907 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 =	640000
B2 =	8480000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-09-13	Sternenlicht	676CE81B03C9CA71	22861180	1	3
Verified	Certified Good Power=9	2021-08-26	tottenhoff	676CE81B03C9CA71	10911010	1	3

History

Date	User	Type	Result
2021-08-26	Ben Delo	CERT	Proof certified good
2021-08-26	tottenhoff	C-PRP	676CE81B03C9CA71 Proof Certified Good Proof Power: 9
2018-09-13	Sternenlicht	C-PRP	676CE81B03C9CA71
2017-11-30	boincPlayer	NF-PM1	B1=640000, B2=8480000
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
2017-02-02	Judge Hale	NF	no factor TF: 72-73
2017-02-02	Judge Hale	NF	no factor TF: 71-72
2014-01-16	timc995	NF	no factor TF: 70-71
2013-03-02	ITS	NF	no factor TF: 69-70
2013-02-27	ITS	NF	no factor TF: 68-69
2013-02-24	Ed Straker	NF	no factor TF: 67-68
2013-02-20	Florimond C.	NF	no factor TF: 66-67
2012-08-18	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-03	Architects Cubed	NF	no factor TF: 64-65