The highest common factor is 9
The common factors of 45 and 72 are: 1, 3, and 9
The GCF is 9.
The GCF of 63 and 72 is 9.The factors of 63 are: 1, 3, 7, 9, 21, 63The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9
The common factors are: 1, 3, 9
The GCF is 9.
1, 3 and 9
1/ 3/ 9
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72 The factors of 63 are 1, 3, 7, 9, 21, and 63 The common factors of 72 and 63 are 1, 3, and 9
For 63: 3 and 7 For 72: 2 and 3
The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72The common factors are: 1, 3, 9everyone knows that you have to find the factors of 45 and then 72 and then find what they have in commen and then find the highest now work it out ya self
The LCM of 63 and 72 is 504.
Factors of 18: 1, 2, 3, 6, 9, 18.Factors of 45: 1, 3, 5, 9, 15, 45.Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.GCF (18, 45, 72) = 9