What are the highest common factors of: 54 and 90?

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2007-11-04 16:50:29 · 5 answers · asked by Pretty 'n' Pink! 1 in Science & Mathematics ➔ Mathematics

54 = 9(6) and 90 = 9(10), but since 6 and 10 both even,
54 = 18(3) and 90 = 18(5)
since 3 and 5 are relatively prime, 18 is the gfc.

2007-11-04 16:55:49 · answer #1 · answered by Philo 7 · 0⤊ 0⤋

What Are The Factors Of 54

2016-10-19 02:46:04 · answer #2 · answered by ? 4 · 0⤊ 0⤋

54 = 18 x 3
90 = 18 x 5
so 18 is the gcf

2007-11-04 16:54:25 · answer #3 · answered by norman 7 · 0⤊ 0⤋

54: 2*3*3*3
90: 2*3*3*5
largest common factor: 2*3*3 = 18

2007-11-04 16:56:53 · answer #4 · answered by Knut W 1 · 0⤊ 0⤋

18.

Stop cheating!

2007-11-04 16:54:08 · answer #5 · answered by Shaun S 2 · 0⤊ 0⤋