What is the Greatest Common Factor of 32820 and 32840?

Greatest common factor (GCF) of 32820 and 32840 is 20.

GCF(32820,32840) = 20

We will now calculate the prime factors of 32820 and 32840, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32820 and 32840.

How to find the GCF of 32820 and 32840?

We will first find the prime factorization of 32820 and 32840. After we will calculate the factors of 32820 and 32840 and find the biggest common factor number .

Step-1: Prime Factorization of 32820

Prime factors of 32820 are 2, 3, 5, 547. Prime factorization of 32820 in exponential form is:

32820 = 2² × 3¹ × 5¹ × 547¹

Step-2: Prime Factorization of 32840

Prime factors of 32840 are 2, 5, 821. Prime factorization of 32840 in exponential form is:

32840 = 2³ × 5¹ × 821¹

Step-3: Factors of 32820

List of positive integer factors of 32820 that divides 32820 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 1094, 1641, 2188, 2735, 3282, 5470, 6564, 8205, 10940, 16410

Step-4: Factors of 32840

List of positive integer factors of 32840 that divides 32820 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6568, 8210, 16420

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32820 and 32840. The biggest common factor number is the GCF number.
So the greatest common factor 32820 and 32840 is 20.

Also check out the Least Common Multiple of 32820 and 32840