answersLogoWhite

0


Best Answer

The GCF of 12, 15, and 18 is 3.

The prime factorization of these numbers are as follows:

18 = 2 x 3 x 3

15 = 3 x 5

12 = 2 x 2 x 3

The only factor that appears in all three prime factorization is 3, so 3 is the greatest common factor.

User Avatar

Wiki User

7y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

8y ago

The GCF is 3.

This answer is:
User Avatar

User Avatar

Wiki User

8y ago

GCF(12, 18, 15) = 3.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the greatest common factor of 12 15 and 18?
Write your answer...
Submit
Still have questions?
magnify glass
imp