What is the Greatest Common Factor of 22780 and 22790?

Greatest common factor (GCF) of 22780 and 22790 is 10.

GCF(22780,22790) = 10

We will now calculate the prime factors of 22780 and 22790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22780 and 22790.

How to find the GCF of 22780 and 22790?

We will first find the prime factorization of 22780 and 22790. After we will calculate the factors of 22780 and 22790 and find the biggest common factor number .

Step-1: Prime Factorization of 22780

Prime factors of 22780 are 2, 5, 17, 67. Prime factorization of 22780 in exponential form is:

22780 = 2² × 5¹ × 17¹ × 67¹

Step-2: Prime Factorization of 22790

Prime factors of 22790 are 2, 5, 43, 53. Prime factorization of 22790 in exponential form is:

22790 = 2¹ × 5¹ × 43¹ × 53¹

Step-3: Factors of 22780

List of positive integer factors of 22780 that divides 22780 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390

Step-4: Factors of 22790

List of positive integer factors of 22790 that divides 22780 without a remainder.

1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 2279, 4558, 11395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22780 and 22790. The biggest common factor number is the GCF number.
So the greatest common factor 22780 and 22790 is 10.

Also check out the Least Common Multiple of 22780 and 22790