What is the Greatest Common Factor of 9638 and 9642?

Greatest common factor (GCF) of 9638 and 9642 is 2.

GCF(9638,9642) = 2

We will now calculate the prime factors of 9638 and 9642, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9638 and 9642.

How to find the GCF of 9638 and 9642?

We will first find the prime factorization of 9638 and 9642. After we will calculate the factors of 9638 and 9642 and find the biggest common factor number .

Step-1: Prime Factorization of 9638

Prime factors of 9638 are 2, 61, 79. Prime factorization of 9638 in exponential form is:

9638 = 2¹ × 61¹ × 79¹

Step-2: Prime Factorization of 9642

Prime factors of 9642 are 2, 3, 1607. Prime factorization of 9642 in exponential form is:

9642 = 2¹ × 3¹ × 1607¹

Step-3: Factors of 9638

List of positive integer factors of 9638 that divides 9638 without a remainder.

1, 2, 61, 79, 122, 158, 4819

Step-4: Factors of 9642

List of positive integer factors of 9642 that divides 9638 without a remainder.

1, 2, 3, 6, 1607, 3214, 4821

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9638 and 9642. The biggest common factor number is the GCF number.
So the greatest common factor 9638 and 9642 is 2.

Also check out the Least Common Multiple of 9638 and 9642