What is the Greatest Common Factor of 63221 and 63225?

Greatest common factor (GCF) of 63221 and 63225 is 1.

GCF(63221,63225) = 1

We will now calculate the prime factors of 63221 and 63225, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63221 and 63225.

How to find the GCF of 63221 and 63225?

We will first find the prime factorization of 63221 and 63225. After we will calculate the factors of 63221 and 63225 and find the biggest common factor number .

Step-1: Prime Factorization of 63221

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

63221 = 191¹ × 331¹

Step-2: Prime Factorization of 63225

Prime factors of 63225 are 3, 5, 281. Prime factorization of 63225 in exponential form is:

63225 = 3² × 5² × 281¹

Step-3: Factors of 63221

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

1, 191, 331

Step-4: Factors of 63225

List of positive integer factors of 63225 that divides 63221 without a remainder.

1, 3, 5, 9, 15, 25, 45, 75, 225, 281, 843, 1405, 2529, 4215, 7025, 12645, 21075

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63221 and 63225. The biggest common factor number is the GCF number.
So the greatest common factor 63221 and 63225 is 1.

Also check out the Least Common Multiple of 63221 and 63225