What is the Greatest Common Factor of 17638 and 17642?

Greatest common factor (GCF) of 17638 and 17642 is 2.

GCF(17638,17642) = 2

We will now calculate the prime factors of 17638 and 17642, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17638 and 17642.

How to find the GCF of 17638 and 17642?

We will first find the prime factorization of 17638 and 17642. After we will calculate the factors of 17638 and 17642 and find the biggest common factor number .

Step-1: Prime Factorization of 17638

Prime factors of 17638 are 2, 8819. Prime factorization of 17638 in exponential form is:

17638 = 2¹ × 8819¹

Step-2: Prime Factorization of 17642

Prime factors of 17642 are 2, 8821. Prime factorization of 17642 in exponential form is:

17642 = 2¹ × 8821¹

Step-3: Factors of 17638

List of positive integer factors of 17638 that divides 17638 without a remainder.

1, 2, 8819

Step-4: Factors of 17642

List of positive integer factors of 17642 that divides 17638 without a remainder.

1, 2, 8821

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17638 and 17642. The biggest common factor number is the GCF number.
So the greatest common factor 17638 and 17642 is 2.

Also check out the Least Common Multiple of 17638 and 17642