What is the greatest common factor of 18, 30, and 45? How do figure this out?
What numbers go evenly into these numbers?
For 18: 1, 18, 2, 9, 3, 6
What numbers go evenly into 30 and 45?
Which is the largest number that goes into all three?
For 18: 1, 18, 2, 9, 3, 6
What numbers go evenly into 30 and 45?
Which is the largest number that goes into all three?