What is the Greatest Common Factor of 17678 and 17686?

Greatest common factor (GCF) of 17678 and 17686 is 2.

GCF(17678,17686) = 2

We will now calculate the prime factors of 17678 and 17686, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17678 and 17686.

How to find the GCF of 17678 and 17686?

We will first find the prime factorization of 17678 and 17686. After we will calculate the factors of 17678 and 17686 and find the biggest common factor number .

Step-1: Prime Factorization of 17678

Prime factors of 17678 are 2, 8839. Prime factorization of 17678 in exponential form is:

17678 = 2¹ × 8839¹

Step-2: Prime Factorization of 17686

Prime factors of 17686 are 2, 37, 239. Prime factorization of 17686 in exponential form is:

17686 = 2¹ × 37¹ × 239¹

Step-3: Factors of 17678

List of positive integer factors of 17678 that divides 17678 without a remainder.

1, 2, 8839

Step-4: Factors of 17686

List of positive integer factors of 17686 that divides 17678 without a remainder.

1, 2, 37, 74, 239, 478, 8843

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17678 and 17686. The biggest common factor number is the GCF number.
So the greatest common factor 17678 and 17686 is 2.

Also check out the Least Common Multiple of 17678 and 17686