The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 81 are: 1, 3, 9, 27, 81
For 45: 3 and 5 For 81: 3
They are 1 and 9
9
1,3,5,9,15,45 1,3,9,27,81 3 and 5 are prime.
45: 1, 3, 5, 9, 15, 45 81: 1, 3, 9, 27, 81 99: 1, 3, 9, 11, 33, 99
All the factors of 81 and 135 are: 1, 3, 9, 27, 45, 81, and 135.
The least common factor of any numbers is typically 1. The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors of 81 are 1, 3, 9, 27, and 81. The common factors are 1, 3, and 9. The least (smallest) common factor is 1.
1, 3 and 9
The common factors are: 1, 3, 9.
The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 81 are: 1, 3, 9, 27, 81The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9
1, 3 and 9
1, 3, 9, 27, 81 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90