Question

What is the greatest common factor of 36, 57, and 15?

Answer 1

The GCF of 36, 57 and 15 is 3.

Answer 2

Greatest common factor of 36, 57, and 15 is 3.

Answer 3

The GCF of 36, 57, and 15 is 3.

Quick check:

1. 36 ÷ 3 = 12
2. 57 ÷ 3 = 19
3. 15 ÷ 3 = 5

All divide nicely with no remainders, so 3 is the biggest number that works. Think of it as the last pizza slice that everyone can share — and here that slice is “3”.