What is the Greatest Common Factor of 28686 and 28706?

Greatest common factor (GCF) of 28686 and 28706 is 2.

GCF(28686,28706) = 2

We will now calculate the prime factors of 28686 and 28706, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28686 and 28706.

How to find the GCF of 28686 and 28706?

We will first find the prime factorization of 28686 and 28706. After we will calculate the factors of 28686 and 28706 and find the biggest common factor number .

Step-1: Prime Factorization of 28686

Prime factors of 28686 are 2, 3, 7, 683. Prime factorization of 28686 in exponential form is:

28686 = 2¹ × 3¹ × 7¹ × 683¹

Step-2: Prime Factorization of 28706

Prime factors of 28706 are 2, 31, 463. Prime factorization of 28706 in exponential form is:

28706 = 2¹ × 31¹ × 463¹

Step-3: Factors of 28686

List of positive integer factors of 28686 that divides 28686 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 683, 1366, 2049, 4098, 4781, 9562, 14343

Step-4: Factors of 28706

List of positive integer factors of 28706 that divides 28686 without a remainder.

1, 2, 31, 62, 463, 926, 14353

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28686 and 28706. The biggest common factor number is the GCF number.
So the greatest common factor 28686 and 28706 is 2.

Also check out the Least Common Multiple of 28686 and 28706