The GCF of 18 and 72 is?

Question

asked Jul 17, 2020 111k views

2 Answers

Cvarsendan · Answer 1 · 2020-07-19T07:59:55+0000

Answer:

GCF of 18 and 72 is 18

Explanation:

To find the GCF of two or more numbers

we need two steps

Step 1: List the prime factors of each number.

Step 2: Multiply those factors all numbers have in common. If there are no common prime factors, the GCF is 1.

To find the GCF of 18 and 72

18 = 2 * 3* 3

72 = 2 * 2 * 2 * 3 * 3

Common prime factors 2, 3, 3

Therefore GCF = 2* 3 * 3 = 18

Facha · Answer 2 · 2020-07-23T17:17:43+0000

Answer:

The Greast Common Factor of 18 and 72 is 18

Explanation:

Factors of 18: 1, 2, 3, 6, 9, 18

Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72