What is the Greatest Common Factor of 8702 and 8721?

Greatest common factor (GCF) of 8702 and 8721 is 19.

GCF(8702,8721) = 19

We will now calculate the prime factors of 8702 and 8721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8702 and 8721.

How to find the GCF of 8702 and 8721?

We will first find the prime factorization of 8702 and 8721. After we will calculate the factors of 8702 and 8721 and find the biggest common factor number .

Step-1: Prime Factorization of 8702

Prime factors of 8702 are 2, 19, 229. Prime factorization of 8702 in exponential form is:

8702 = 2¹ × 19¹ × 229¹

Step-2: Prime Factorization of 8721

Prime factors of 8721 are 3, 17, 19. Prime factorization of 8721 in exponential form is:

8721 = 3³ × 17¹ × 19¹

Step-3: Factors of 8702

List of positive integer factors of 8702 that divides 8702 without a remainder.

1, 2, 19, 38, 229, 458, 4351

Step-4: Factors of 8721

List of positive integer factors of 8721 that divides 8702 without a remainder.

1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2907

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8702 and 8721. The biggest common factor number is the GCF number.
So the greatest common factor 8702 and 8721 is 19.

Also check out the Least Common Multiple of 8702 and 8721