What is the Greatest Common Factor of 32440 and 32456?

Greatest common factor (GCF) of 32440 and 32456 is 8.

GCF(32440,32456) = 8

We will now calculate the prime factors of 32440 and 32456, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32440 and 32456.

How to find the GCF of 32440 and 32456?

We will first find the prime factorization of 32440 and 32456. After we will calculate the factors of 32440 and 32456 and find the biggest common factor number .

Step-1: Prime Factorization of 32440

Prime factors of 32440 are 2, 5, 811. Prime factorization of 32440 in exponential form is:

32440 = 2³ × 5¹ × 811¹

Step-2: Prime Factorization of 32456

Prime factors of 32456 are 2, 4057. Prime factorization of 32456 in exponential form is:

32456 = 2³ × 4057¹

Step-3: Factors of 32440

List of positive integer factors of 32440 that divides 32440 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220

Step-4: Factors of 32456

List of positive integer factors of 32456 that divides 32440 without a remainder.

1, 2, 4, 8, 4057, 8114, 16228

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32440 and 32456. The biggest common factor number is the GCF number.
So the greatest common factor 32440 and 32456 is 8.

Also check out the Least Common Multiple of 32440 and 32456