What is the Greatest Common Factor of 63209 and 63221?

Greatest common factor (GCF) of 63209 and 63221 is 1.

GCF(63209,63221) = 1

We will now calculate the prime factors of 63209 and 63221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63209 and 63221.

How to find the GCF of 63209 and 63221?

We will first find the prime factorization of 63209 and 63221. After we will calculate the factors of 63209 and 63221 and find the biggest common factor number .

Step-1: Prime Factorization of 63209

Prime factors of 63209 are 31, 2039. Prime factorization of 63209 in exponential form is:

63209 = 31¹ × 2039¹

Step-2: Prime Factorization of 63221

Prime factors of 63221 are 191, 331. Prime factorization of 63221 in exponential form is:

63221 = 191¹ × 331¹

Step-3: Factors of 63209

List of positive integer factors of 63209 that divides 63209 without a remainder.

1, 31, 2039

Step-4: Factors of 63221

List of positive integer factors of 63221 that divides 63209 without a remainder.

1, 191, 331

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63209 and 63221. The biggest common factor number is the GCF number.
So the greatest common factor 63209 and 63221 is 1.

Also check out the Least Common Multiple of 63209 and 63221