Find the Greatest Common Factor (GCF) of 40 and 15.
The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.
The factors of 15 are 1, 3, 5, and 15.
The common factors of 40 and 15 are 1 and 5.
The greatest common factor (GCF) of 40 and 15 is 5.
The factors of 15 are 1, 3, 5, and 15.
The common factors of 40 and 15 are 1 and 5.
The greatest common factor (GCF) of 40 and 15 is 5.