What is the Greatest Common Factor of 8645 and 8650?

Greatest common factor (GCF) of 8645 and 8650 is 5.

GCF(8645,8650) = 5

We will now calculate the prime factors of 8645 and 8650, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8645 and 8650.

How to find the GCF of 8645 and 8650?

We will first find the prime factorization of 8645 and 8650. After we will calculate the factors of 8645 and 8650 and find the biggest common factor number .

Step-1: Prime Factorization of 8645

Prime factors of 8645 are 5, 7, 13, 19. Prime factorization of 8645 in exponential form is:

8645 = 5¹ × 7¹ × 13¹ × 19¹

Step-2: Prime Factorization of 8650

Prime factors of 8650 are 2, 5, 173. Prime factorization of 8650 in exponential form is:

8650 = 2¹ × 5² × 173¹

Step-3: Factors of 8645

List of positive integer factors of 8645 that divides 8645 without a remainder.

1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729

Step-4: Factors of 8650

List of positive integer factors of 8650 that divides 8645 without a remainder.

1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 4325

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8645 and 8650. The biggest common factor number is the GCF number.
So the greatest common factor 8645 and 8650 is 5.

Also check out the Least Common Multiple of 8645 and 8650