What is the Greatest Common Factor of 28678 and 28685?

Greatest common factor (GCF) of 28678 and 28685 is 1.

GCF(28678,28685) = 1

We will now calculate the prime factors of 28678 and 28685, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28678 and 28685.

How to find the GCF of 28678 and 28685?

We will first find the prime factorization of 28678 and 28685. After we will calculate the factors of 28678 and 28685 and find the biggest common factor number .

Step-1: Prime Factorization of 28678

Prime factors of 28678 are 2, 13, 1103. Prime factorization of 28678 in exponential form is:

28678 = 2¹ × 13¹ × 1103¹

Step-2: Prime Factorization of 28685

Prime factors of 28685 are 5, 5737. Prime factorization of 28685 in exponential form is:

28685 = 5¹ × 5737¹

Step-3: Factors of 28678

List of positive integer factors of 28678 that divides 28678 without a remainder.

1, 2, 13, 26, 1103, 2206, 14339

Step-4: Factors of 28685

List of positive integer factors of 28685 that divides 28678 without a remainder.

1, 5, 5737

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28678 and 28685. The biggest common factor number is the GCF number.
So the greatest common factor 28678 and 28685 is 1.

Also check out the Least Common Multiple of 28678 and 28685