What is the Greatest Common Factor of 22505 and 22518?

Greatest common factor (GCF) of 22505 and 22518 is 1.

GCF(22505,22518) = 1

We will now calculate the prime factors of 22505 and 22518, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22505 and 22518.

How to find the GCF of 22505 and 22518?

We will first find the prime factorization of 22505 and 22518. After we will calculate the factors of 22505 and 22518 and find the biggest common factor number .

Step-1: Prime Factorization of 22505

Prime factors of 22505 are 5, 7, 643. Prime factorization of 22505 in exponential form is:

22505 = 5¹ × 7¹ × 643¹

Step-2: Prime Factorization of 22518

Prime factors of 22518 are 2, 3, 139. Prime factorization of 22518 in exponential form is:

22518 = 2¹ × 3⁴ × 139¹

Step-3: Factors of 22505

List of positive integer factors of 22505 that divides 22505 without a remainder.

1, 5, 7, 35, 643, 3215, 4501

Step-4: Factors of 22518

List of positive integer factors of 22518 that divides 22505 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 278, 417, 834, 1251, 2502, 3753, 7506, 11259

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22505 and 22518. The biggest common factor number is the GCF number.
So the greatest common factor 22505 and 22518 is 1.

Also check out the Least Common Multiple of 22505 and 22518