What is the Greatest Common Factor of 17858 and 17868?

Greatest common factor (GCF) of 17858 and 17868 is 2.

GCF(17858,17868) = 2

We will now calculate the prime factors of 17858 and 17868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17858 and 17868.

How to find the GCF of 17858 and 17868?

We will first find the prime factorization of 17858 and 17868. After we will calculate the factors of 17858 and 17868 and find the biggest common factor number .

Step-1: Prime Factorization of 17858

Prime factors of 17858 are 2, 8929. Prime factorization of 17858 in exponential form is:

17858 = 2¹ × 8929¹

Step-2: Prime Factorization of 17868

Prime factors of 17868 are 2, 3, 1489. Prime factorization of 17868 in exponential form is:

17868 = 2² × 3¹ × 1489¹

Step-3: Factors of 17858

List of positive integer factors of 17858 that divides 17858 without a remainder.

1, 2, 8929

Step-4: Factors of 17868

List of positive integer factors of 17868 that divides 17858 without a remainder.

1, 2, 3, 4, 6, 12, 1489, 2978, 4467, 5956, 8934

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17858 and 17868. The biggest common factor number is the GCF number.
So the greatest common factor 17858 and 17868 is 2.

Also check out the Least Common Multiple of 17858 and 17868