What is the Greatest Common Factor of 79428 and 79442?

Greatest common factor (GCF) of 79428 and 79442 is 2.

GCF(79428,79442) = 2

We will now calculate the prime factors of 79428 and 79442, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79428 and 79442.

How to find the GCF of 79428 and 79442?

We will first find the prime factorization of 79428 and 79442. After we will calculate the factors of 79428 and 79442 and find the biggest common factor number .

Step-1: Prime Factorization of 79428

Prime factors of 79428 are 2, 3, 6619. Prime factorization of 79428 in exponential form is:

79428 = 2² × 3¹ × 6619¹

Step-2: Prime Factorization of 79442

Prime factors of 79442 are 2, 11, 23, 157. Prime factorization of 79442 in exponential form is:

79442 = 2¹ × 11¹ × 23¹ × 157¹

Step-3: Factors of 79428

List of positive integer factors of 79428 that divides 79428 without a remainder.

1, 2, 3, 4, 6, 12, 6619, 13238, 19857, 26476, 39714

Step-4: Factors of 79442

List of positive integer factors of 79442 that divides 79428 without a remainder.

1, 2, 11, 22, 23, 46, 157, 253, 314, 506, 1727, 3454, 3611, 7222, 39721

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79428 and 79442. The biggest common factor number is the GCF number.
So the greatest common factor 79428 and 79442 is 2.

Also check out the Least Common Multiple of 79428 and 79442