The factors of 20 are:
1, 2, 4, 5, 10, 20
The factors of 30 are:
1, 2, 3, 5, 6, 10, 15, 30
The common factors are:
1, 2, 5, 10
1,2,5 and 10
20
The greatest common factor (GCF) is: 4.
The GCF is 4.
The GCF is 2.
The GCF is 5.
The Greatest Common Factor of 15, 20 and 25 is 5.
The GCF is 4.
The GCF of 20 and 35 is 5.
The GCF of 20,24 & 36 is... 4
For 165, 88, 20 the GCF is: 1
The GCF is 10.
30 is a factor of 150 so 30 is the greatest common factor of 30 and 150