What is the Greatest Common Factor of 43240 and 43256?

Greatest common factor (GCF) of 43240 and 43256 is 8.

GCF(43240,43256) = 8

We will now calculate the prime factors of 43240 and 43256, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43240 and 43256.

How to find the GCF of 43240 and 43256?

We will first find the prime factorization of 43240 and 43256. After we will calculate the factors of 43240 and 43256 and find the biggest common factor number .

Step-1: Prime Factorization of 43240

Prime factors of 43240 are 2, 5, 23, 47. Prime factorization of 43240 in exponential form is:

43240 = 2³ × 5¹ × 23¹ × 47¹

Step-2: Prime Factorization of 43256

Prime factors of 43256 are 2, 5407. Prime factorization of 43256 in exponential form is:

43256 = 2³ × 5407¹

Step-3: Factors of 43240

List of positive integer factors of 43240 that divides 43240 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 8648, 10810, 21620

Step-4: Factors of 43256

List of positive integer factors of 43256 that divides 43240 without a remainder.

1, 2, 4, 8, 5407, 10814, 21628

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43240 and 43256. The biggest common factor number is the GCF number.
So the greatest common factor 43240 and 43256 is 8.

Also check out the Least Common Multiple of 43240 and 43256