What is the Greatest Common Factor of 477 and 483?

Greatest common factor (GCF) of 477 and 483 is 3.

GCF(477,483) = 3

We will now calculate the prime factors of 477 and 483, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 477 and 483.

How to find the GCF of 477 and 483?

We will first find the prime factorization of 477 and 483. After we will calculate the factors of 477 and 483 and find the biggest common factor number .

Step-1: Prime Factorization of 477

Prime factors of 477 are 3, 53. Prime factorization of 477 in exponential form is:

477 = 3² × 53¹

Step-2: Prime Factorization of 483

Prime factors of 483 are 3, 7, 23. Prime factorization of 483 in exponential form is:

483 = 3¹ × 7¹ × 23¹

Step-3: Factors of 477

List of positive integer factors of 477 that divides 477 without a remainder.

1, 3, 9, 53, 159

Step-4: Factors of 483

List of positive integer factors of 483 that divides 477 without a remainder.

1, 3, 7, 21, 23, 69, 161

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 477 and 483. The biggest common factor number is the GCF number.
So the greatest common factor 477 and 483 is 3.

Also check out the Least Common Multiple of 477 and 483