What is the Greatest Common Factor of 39678 and 39682?

Greatest common factor (GCF) of 39678 and 39682 is 2.

GCF(39678,39682) = 2

We will now calculate the prime factors of 39678 and 39682, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39678 and 39682.

How to find the GCF of 39678 and 39682?

We will first find the prime factorization of 39678 and 39682. After we will calculate the factors of 39678 and 39682 and find the biggest common factor number .

Step-1: Prime Factorization of 39678

Prime factors of 39678 are 2, 3, 17, 389. Prime factorization of 39678 in exponential form is:

39678 = 2¹ × 3¹ × 17¹ × 389¹

Step-2: Prime Factorization of 39682

Prime factors of 39682 are 2, 19841. Prime factorization of 39682 in exponential form is:

39682 = 2¹ × 19841¹

Step-3: Factors of 39678

List of positive integer factors of 39678 that divides 39678 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 389, 778, 1167, 2334, 6613, 13226, 19839

Step-4: Factors of 39682

List of positive integer factors of 39682 that divides 39678 without a remainder.

1, 2, 19841

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39678 and 39682. The biggest common factor number is the GCF number.
So the greatest common factor 39678 and 39682 is 2.

Also check out the Least Common Multiple of 39678 and 39682