What is the Greatest Common Factor of 90621 and 90638?

Greatest common factor (GCF) of 90621 and 90638 is 1.

GCF(90621,90638) = 1

We will now calculate the prime factors of 90621 and 90638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90621 and 90638.

How to find the GCF of 90621 and 90638?

We will first find the prime factorization of 90621 and 90638. After we will calculate the factors of 90621 and 90638 and find the biggest common factor number .

Step-1: Prime Factorization of 90621

Prime factors of 90621 are 3, 10069. Prime factorization of 90621 in exponential form is:

90621 = 3² × 10069¹

Step-2: Prime Factorization of 90638

Prime factors of 90638 are 2, 45319. Prime factorization of 90638 in exponential form is:

90638 = 2¹ × 45319¹

Step-3: Factors of 90621

List of positive integer factors of 90621 that divides 90621 without a remainder.

1, 3, 9, 10069, 30207

Step-4: Factors of 90638

List of positive integer factors of 90638 that divides 90621 without a remainder.

1, 2, 45319

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90621 and 90638. The biggest common factor number is the GCF number.
So the greatest common factor 90621 and 90638 is 1.

Also check out the Least Common Multiple of 90621 and 90638