Prime factorization of 32 = 2x2x2x2x2
Prime factorization of 90 = 2x3x3x5
Prime factorization of 30 = 2x3x5
What is common in the prime factorization of the numbers?
Only 2 is common, so GCF is 2.
gcf(20, 30, 90) = 10
The GCF of 30 and 90 is 30.
30The gcf is 30
GCF(210, 90) = 30.
The GCF is 30.
The GCF of 32 and 90 is 2.
The GCF is 2.
2.
The GCF is 15.
The greatest common factor (GCF) of 15, 30, 90 is 15.
It is: 30
The GCF is 30.