What is the Greatest Common Factor of 225 and 244?

Greatest common factor (GCF) of 225 and 244 is 1.

GCF(225,244) = 1

We will now calculate the prime factors of 225 and 244, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 225 and 244.

How to find the GCF of 225 and 244?

We will first find the prime factorization of 225 and 244. After we will calculate the factors of 225 and 244 and find the biggest common factor number .

Step-1: Prime Factorization of 225

Prime factors of 225 are 3, 5. Prime factorization of 225 in exponential form is:

225 = 3² × 5²

Step-2: Prime Factorization of 244

Prime factors of 244 are 2, 61. Prime factorization of 244 in exponential form is:

244 = 2² × 61¹

Step-3: Factors of 225

List of positive integer factors of 225 that divides 225 without a remainder.

1, 3, 5, 9, 15, 25, 45, 75

Step-4: Factors of 244

List of positive integer factors of 244 that divides 225 without a remainder.

1, 2, 4, 61, 122

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 225 and 244. The biggest common factor number is the GCF number.
So the greatest common factor 225 and 244 is 1.

Also check out the Least Common Multiple of 225 and 244