What is the Greatest Common Factor of 22290 and 22305?

Greatest common factor (GCF) of 22290 and 22305 is 15.

GCF(22290,22305) = 15

We will now calculate the prime factors of 22290 and 22305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22290 and 22305.

How to find the GCF of 22290 and 22305?

We will first find the prime factorization of 22290 and 22305. After we will calculate the factors of 22290 and 22305 and find the biggest common factor number .

Step-1: Prime Factorization of 22290

Prime factors of 22290 are 2, 3, 5, 743. Prime factorization of 22290 in exponential form is:

22290 = 2¹ × 3¹ × 5¹ × 743¹

Step-2: Prime Factorization of 22305

Prime factors of 22305 are 3, 5, 1487. Prime factorization of 22305 in exponential form is:

22305 = 3¹ × 5¹ × 1487¹

Step-3: Factors of 22290

List of positive integer factors of 22290 that divides 22290 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 743, 1486, 2229, 3715, 4458, 7430, 11145

Step-4: Factors of 22305

List of positive integer factors of 22305 that divides 22290 without a remainder.

1, 3, 5, 15, 1487, 4461, 7435

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22290 and 22305. The biggest common factor number is the GCF number.
So the greatest common factor 22290 and 22305 is 15.

Also check out the Least Common Multiple of 22290 and 22305