What is the Greatest Common Factor of 8620 and 8628?

Greatest common factor (GCF) of 8620 and 8628 is 4.

GCF(8620,8628) = 4

We will now calculate the prime factors of 8620 and 8628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8620 and 8628.

How to find the GCF of 8620 and 8628?

We will first find the prime factorization of 8620 and 8628. After we will calculate the factors of 8620 and 8628 and find the biggest common factor number .

Step-1: Prime Factorization of 8620

Prime factors of 8620 are 2, 5, 431. Prime factorization of 8620 in exponential form is:

8620 = 2² × 5¹ × 431¹

Step-2: Prime Factorization of 8628

Prime factors of 8628 are 2, 3, 719. Prime factorization of 8628 in exponential form is:

8628 = 2² × 3¹ × 719¹

Step-3: Factors of 8620

List of positive integer factors of 8620 that divides 8620 without a remainder.

1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310

Step-4: Factors of 8628

List of positive integer factors of 8628 that divides 8620 without a remainder.

1, 2, 3, 4, 6, 12, 719, 1438, 2157, 2876, 4314

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8620 and 8628. The biggest common factor number is the GCF number.
So the greatest common factor 8620 and 8628 is 4.

Also check out the Least Common Multiple of 8620 and 8628