answersLogoWhite

0

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

Still curious? Ask our experts.

Chat with our AI personalities

DevinDevin
I've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
RafaRafa
There's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
More answers

The GCF is 3.

User Avatar

Wiki User

8y ago
User Avatar

GCF(12, 18, 15) = 3.

User Avatar

Wiki User

8y ago
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