84 610 291 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 =	675000
B2 =	13331250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-01-20	SRJ2877	09BF9EDF549BD50D	52127126	1	3
Verified	PRP without proof (not generated)	2021-11-21	ATH	09BF9EDF549BD50D	0	1	3

History

Date	User	Type	Result
2021-11-21	ATH	C-PRP	09BF9EDF549BD50D
2019-01-20	SRJ2877	C-PRP	09BF9EDF549BD50D
2017-11-19	TheJudger	NF-PM1	B1=675000, B2=13331250, E=12
2017-05-14	TheJudger	NF	no factor TF: 75-76
2017-05-12	Brian Beuning	NF	no factor TF: 74-75
2017-02-15	-anonymous-	NF	no factor TF: 73-74
2017-02-15	-anonymous-	NF	no factor TF: 72-73
2017-02-15	-anonymous-	NF	no factor TF: 71-72
2014-03-14	ANONYMOUS	NF	no factor TF: 70-71
2014-02-12	PascalBieri	NF	no factor TF: 69-70
2014-02-09	PascalBieri	NF	no factor TF: 68-69
2013-02-22	-anonymous-	NF	no factor TF: 67-68
2013-02-20	SMoffat	NF	no factor TF: 66-67
2012-08-26	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-24	Architects Cubed	NF	no factor TF: 64-65