The common factors are: 1, 5
The factors of 15 are 1, 3, 5, and 15. The factors of 20 are 1, 2, 4, 5, 10, and 20. The common factors are 1 and 5.
The common factors are: 1, 5.
The factors of 10 are: 1, 2, 5, 10.The factors of 15 are: 1, 3, 5, 15.The factors of 20 are: 1, 2, 4, 5, 10, 20.The common factors are: 1, 5.
The common factor of 15, 16, and 20 is just 1
The common factors are: 1, 5.
15: 1,3,5,15 20: 1,2,4,5,10,20
5
The only common factor of 15, 18, 20, and 50 is 1.
1 and 5.
1 and 5.
1 and 5 are.By an odd coincidence, those same numbers arealso the lowest common factors of 15, 10 and 20 .
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