The only common factor of 4 and 5 is 1. 4 and 5 are common factors of 20 and 40.
1,2,4
4
The greatest common factor (GCF) is 2.
20, among others.
20 and 40.
The factors of 10 are 1, 2, 5, and 10. The factors of 5 are 1 and 5. The common factors of 10 and 5 are 1 and 5.
12
The common factors are 1 and 5.
the factors of 5 are 1 and 5the factors of 20 are 1 2 4 5 10 20the factors of 45 are 1 3 5 9 15 45so the common factors are 1 and 5
The common factors are: 1, 5 The Greatest Common Factor (GCF) is: 5
The highest common factor is 5
1 and 5 are the common factors.