What is the Greatest Common Factor of 56409 and 56421?

Greatest common factor (GCF) of 56409 and 56421 is 3.

GCF(56409,56421) = 3

We will now calculate the prime factors of 56409 and 56421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 56409 and 56421.

How to find the GCF of 56409 and 56421?

We will first find the prime factorization of 56409 and 56421. After we will calculate the factors of 56409 and 56421 and find the biggest common factor number .

Step-1: Prime Factorization of 56409

Prime factors of 56409 are 3, 18803. Prime factorization of 56409 in exponential form is:

56409 = 3¹ × 18803¹

Step-2: Prime Factorization of 56421

Prime factors of 56421 are 3, 6269. Prime factorization of 56421 in exponential form is:

56421 = 3² × 6269¹

Step-3: Factors of 56409

List of positive integer factors of 56409 that divides 56409 without a remainder.

1, 3, 18803

Step-4: Factors of 56421

List of positive integer factors of 56421 that divides 56409 without a remainder.

1, 3, 9, 6269, 18807

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 56409 and 56421. The biggest common factor number is the GCF number.
So the greatest common factor 56409 and 56421 is 3.

Also check out the Least Common Multiple of 56409 and 56421