1 and 5 are.
By an odd coincidence, those same numbers are
also the lowest common factors of 15, 10 and 20 .
The GCF is 5.
Common factors of 15 and 18 are: 1 and 3.
1 and 5 are the common factors of 10 and 15
The highest common factor 15
The highest common factor is 30
The GCF is 5.
The GCF is 15.
The GCF is 15.
The GCF is 15.
The factors of 15 are: 1, 3, 5, 15The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40The common factors are: 1, 5The Greatest Common Factor (GCF) is: 5
15=3*5 27=3*3*3 highest common factor=3
The Common Factors of 10 and 15 are 1 and 5
The factors of 15 are: 1, 3, 5, 15.The factors of 27 are: 1, 3, 9, 27.The common factors are: 1, 3.The Greatest Common Factor (GCF) is: 3