What is the Greatest Common Factor of 67638 and 67645?

Greatest common factor (GCF) of 67638 and 67645 is 1.

GCF(67638,67645) = 1

We will now calculate the prime factors of 67638 and 67645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67638 and 67645.

How to find the GCF of 67638 and 67645?

We will first find the prime factorization of 67638 and 67645. After we will calculate the factors of 67638 and 67645 and find the biggest common factor number .

Step-1: Prime Factorization of 67638

Prime factors of 67638 are 2, 3, 11273. Prime factorization of 67638 in exponential form is:

67638 = 2¹ × 3¹ × 11273¹

Step-2: Prime Factorization of 67645

Prime factors of 67645 are 5, 83, 163. Prime factorization of 67645 in exponential form is:

67645 = 5¹ × 83¹ × 163¹

Step-3: Factors of 67638

List of positive integer factors of 67638 that divides 67638 without a remainder.

1, 2, 3, 6, 11273, 22546, 33819

Step-4: Factors of 67645

List of positive integer factors of 67645 that divides 67638 without a remainder.

1, 5, 83, 163, 415, 815, 13529

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67638 and 67645. The biggest common factor number is the GCF number.
So the greatest common factor 67638 and 67645 is 1.

Also check out the Least Common Multiple of 67638 and 67645