What is the Greatest Common Factor of 22520 and 22540?

Greatest common factor (GCF) of 22520 and 22540 is 20.

GCF(22520,22540) = 20

We will now calculate the prime factors of 22520 and 22540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22520 and 22540.

How to find the GCF of 22520 and 22540?

We will first find the prime factorization of 22520 and 22540. After we will calculate the factors of 22520 and 22540 and find the biggest common factor number .

Step-1: Prime Factorization of 22520

Prime factors of 22520 are 2, 5, 563. Prime factorization of 22520 in exponential form is:

22520 = 2³ × 5¹ × 563¹

Step-2: 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-3: Factors of 22520

List of positive integer factors of 22520 that divides 22520 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 11260

Step-4: Factors of 22540

List of positive integer factors of 22540 that divides 22520 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22520 and 22540. The biggest common factor number is the GCF number.
So the greatest common factor 22520 and 22540 is 20.

Also check out the Least Common Multiple of 22520 and 22540