What is the Greatest Common Factor of 8670 and 8685?

Greatest common factor (GCF) of 8670 and 8685 is 15.

GCF(8670,8685) = 15

We will now calculate the prime factors of 8670 and 8685, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8670 and 8685.

How to find the GCF of 8670 and 8685?

We will first find the prime factorization of 8670 and 8685. After we will calculate the factors of 8670 and 8685 and find the biggest common factor number .

Step-1: Prime Factorization of 8670

Prime factors of 8670 are 2, 3, 5, 17. Prime factorization of 8670 in exponential form is:

8670 = 2¹ × 3¹ × 5¹ × 17²

Step-2: 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-3: Factors of 8670

List of positive integer factors of 8670 that divides 8670 without a remainder.

1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2890, 4335

Step-4: Factors of 8685

List of positive integer factors of 8685 that divides 8670 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8670 and 8685. The biggest common factor number is the GCF number.
So the greatest common factor 8670 and 8685 is 15.

Also check out the Least Common Multiple of 8670 and 8685