What is the Greatest Common Factor of 73638 and 73647?

Greatest common factor (GCF) of 73638 and 73647 is 9.

GCF(73638,73647) = 9

We will now calculate the prime factors of 73638 and 73647, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 73638 and 73647.

How to find the GCF of 73638 and 73647?

We will first find the prime factorization of 73638 and 73647. After we will calculate the factors of 73638 and 73647 and find the biggest common factor number .

Step-1: Prime Factorization of 73638

Prime factors of 73638 are 2, 3, 4091. Prime factorization of 73638 in exponential form is:

73638 = 2¹ × 3² × 4091¹

Step-2: Prime Factorization of 73647

Prime factors of 73647 are 3, 7, 167. Prime factorization of 73647 in exponential form is:

73647 = 3² × 7² × 167¹

Step-3: Factors of 73638

List of positive integer factors of 73638 that divides 73638 without a remainder.

1, 2, 3, 6, 9, 18, 4091, 8182, 12273, 24546, 36819

Step-4: Factors of 73647

List of positive integer factors of 73647 that divides 73638 without a remainder.

1, 3, 7, 9, 21, 49, 63, 147, 167, 441, 501, 1169, 1503, 3507, 8183, 10521, 24549

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 73638 and 73647. The biggest common factor number is the GCF number.
So the greatest common factor 73638 and 73647 is 9.

Also check out the Least Common Multiple of 73638 and 73647