What is the Greatest Common Factor of 17540 and 17558?

Greatest common factor (GCF) of 17540 and 17558 is 2.

GCF(17540,17558) = 2

We will now calculate the prime factors of 17540 and 17558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17540 and 17558.

How to find the GCF of 17540 and 17558?

We will first find the prime factorization of 17540 and 17558. After we will calculate the factors of 17540 and 17558 and find the biggest common factor number .

Step-1: Prime Factorization of 17540

Prime factors of 17540 are 2, 5, 877. Prime factorization of 17540 in exponential form is:

17540 = 2² × 5¹ × 877¹

Step-2: Prime Factorization of 17558

Prime factors of 17558 are 2, 8779. Prime factorization of 17558 in exponential form is:

17558 = 2¹ × 8779¹

Step-3: Factors of 17540

List of positive integer factors of 17540 that divides 17540 without a remainder.

1, 2, 4, 5, 10, 20, 877, 1754, 3508, 4385, 8770

Step-4: Factors of 17558

List of positive integer factors of 17558 that divides 17540 without a remainder.

1, 2, 8779

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17540 and 17558. The biggest common factor number is the GCF number.
So the greatest common factor 17540 and 17558 is 2.

Also check out the Least Common Multiple of 17540 and 17558