It is: 6
what is the greastest common factor of 32
Since 18 is a factor of 72, it is automatically the GCF.
The GCF is 4.
The GCF is 18.
The GCF is 18.
The GCF is 12.
The least common factor of any set of integers is 1.
The greatest common factor of 42 and 72 is 6 Gcf stands for Greatest Common Factor, The gcf of 42 and 72 is the largest positive number that is a factor of both 42 and 72. The positive factors of 42 (the integral divisors of 42) are: 1, 2, 3, 6, 7, 14, 21, and 42. The positive factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 36, and 72. Therefore the gcf of 42 and 72 is 6, as the greatest factor that 42 and 72 have in common.
The greatest common factor of 39, 42, and 72 is 3
It is: 9
The greatest common factor (GCF) is: 2
GCF(36, 42, 72) = 6