What is the Greatest Common Factor of 6421 and 6436?

Greatest common factor (GCF) of 6421 and 6436 is 1.

GCF(6421,6436) = 1

We will now calculate the prime factors of 6421 and 6436, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6421 and 6436.

How to find the GCF of 6421 and 6436?

We will first find the prime factorization of 6421 and 6436. After we will calculate the factors of 6421 and 6436 and find the biggest common factor number .

Step-1: Prime Factorization of 6421

Prime factors of 6421 are 6421. Prime factorization of 6421 in exponential form is:

6421 = 6421¹

Step-2: Prime Factorization of 6436

Prime factors of 6436 are 2, 1609. Prime factorization of 6436 in exponential form is:

6436 = 2² × 1609¹

Step-3: Factors of 6421

List of positive integer factors of 6421 that divides 6421 without a remainder.

Step-4: Factors of 6436

List of positive integer factors of 6436 that divides 6421 without a remainder.

1, 2, 4, 1609, 3218

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6421 and 6436. The biggest common factor number is the GCF number.
So the greatest common factor 6421 and 6436 is 1.

Also check out the Least Common Multiple of 6421 and 6436