What is the Greatest Common Factor of 8685 and 8690?

Greatest common factor (GCF) of 8685 and 8690 is 5.

GCF(8685,8690) = 5

We will now calculate the prime factors of 8685 and 8690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8685 and 8690.

How to find the GCF of 8685 and 8690?

We will first find the prime factorization of 8685 and 8690. After we will calculate the factors of 8685 and 8690 and find the biggest common factor number .

Step-1: Prime Factorization of 8685

Prime factors of 8685 are 3, 5, 193. Prime factorization of 8685 in exponential form is:

8685 = 3² × 5¹ × 193¹

Step-2: Prime Factorization of 8690

Prime factors of 8690 are 2, 5, 11, 79. Prime factorization of 8690 in exponential form is:

8690 = 2¹ × 5¹ × 11¹ × 79¹

Step-3: Factors of 8685

List of positive integer factors of 8685 that divides 8685 without a remainder.

1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2895

Step-4: Factors of 8690

List of positive integer factors of 8690 that divides 8685 without a remainder.

1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8685 and 8690. The biggest common factor number is the GCF number.
So the greatest common factor 8685 and 8690 is 5.

Also check out the Least Common Multiple of 8685 and 8690