How do you find the greatest common factor of 54, 45?
1 Answer
Nov 30, 2016
54 = 2 * 3 * 9, and 45 = 5 * 9. The greatest common is 9.
Explanation:
- List the prime factors for both numbers.
- Multiply the factors both have in common; if there are non the GCF is 1.
