What is the Greatest Common Factor of 43620 and 43628?

Greatest common factor (GCF) of 43620 and 43628 is 4.

GCF(43620,43628) = 4

We will now calculate the prime factors of 43620 and 43628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43620 and 43628.

How to find the GCF of 43620 and 43628?

We will first find the prime factorization of 43620 and 43628. After we will calculate the factors of 43620 and 43628 and find the biggest common factor number .

Step-1: Prime Factorization of 43620

Prime factors of 43620 are 2, 3, 5, 727. Prime factorization of 43620 in exponential form is:

43620 = 2² × 3¹ × 5¹ × 727¹

Step-2: Prime Factorization of 43628

Prime factors of 43628 are 2, 13, 839. Prime factorization of 43628 in exponential form is:

43628 = 2² × 13¹ × 839¹

Step-3: Factors of 43620

List of positive integer factors of 43620 that divides 43620 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 727, 1454, 2181, 2908, 3635, 4362, 7270, 8724, 10905, 14540, 21810

Step-4: Factors of 43628

List of positive integer factors of 43628 that divides 43620 without a remainder.

1, 2, 4, 13, 26, 52, 839, 1678, 3356, 10907, 21814

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43620 and 43628. The biggest common factor number is the GCF number.
So the greatest common factor 43620 and 43628 is 4.

Also check out the Least Common Multiple of 43620 and 43628