The greatest common factor (GCF) is the largest factor that two or more numbers have in common. You find the GCF by listing the prime factors of each number. Find the prime factors the numbers have in common and multiply them.
154: 2 x 7 x 11
42: 2 x 3 x 7
The factors they have in common are: 2 x 7
GCF = 14
The GCF of 42 and 154 is 14.
The highest common factor of the numbers 42, 154 and 182 is 14.The GCF is 14.
The GCF is 14.
The GCF is 14.
The GCF is 14.The GCF is 14.
The GCF of the given three numbers is 14
The GCF is 13.
The GCF is 14.
The GCF is 14.
The GCF is 14.
The GCF is 14
The highest common factor (HCF) of 42, 154, and 168 is 14.The GCF is 14.The GCF is 14.