What is the Greatest Common Factor of 22540 and 22556?

Greatest common factor (GCF) of 22540 and 22556 is 4.

GCF(22540,22556) = 4

We will now calculate the prime factors of 22540 and 22556, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22540 and 22556.

How to find the GCF of 22540 and 22556?

We will first find the prime factorization of 22540 and 22556. After we will calculate the factors of 22540 and 22556 and find the biggest common factor number .

Step-1: Prime Factorization of 22540

Prime factors of 22540 are 2, 5, 7, 23. Prime factorization of 22540 in exponential form is:

22540 = 2² × 5¹ × 7² × 23¹

Step-2: Prime Factorization of 22556

Prime factors of 22556 are 2, 5639. Prime factorization of 22556 in exponential form is:

22556 = 2² × 5639¹

Step-3: Factors of 22540

List of positive integer factors of 22540 that divides 22540 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270

Step-4: Factors of 22556

List of positive integer factors of 22556 that divides 22540 without a remainder.

1, 2, 4, 5639, 11278

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22540 and 22556. The biggest common factor number is the GCF number.
So the greatest common factor 22540 and 22556 is 4.

Also check out the Least Common Multiple of 22540 and 22556