What is the Greatest Common Factor of 43420 and 43427?

Greatest common factor (GCF) of 43420 and 43427 is 1.

GCF(43420,43427) = 1

We will now calculate the prime factors of 43420 and 43427, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43420 and 43427.

How to find the GCF of 43420 and 43427?

We will first find the prime factorization of 43420 and 43427. After we will calculate the factors of 43420 and 43427 and find the biggest common factor number .

Step-1: Prime Factorization of 43420

Prime factors of 43420 are 2, 5, 13, 167. Prime factorization of 43420 in exponential form is:

43420 = 2² × 5¹ × 13¹ × 167¹

Step-2: Prime Factorization of 43427

Prime factors of 43427 are 43427. Prime factorization of 43427 in exponential form is:

43427 = 43427¹

Step-3: Factors of 43420

List of positive integer factors of 43420 that divides 43420 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1670, 2171, 3340, 4342, 8684, 10855, 21710

Step-4: Factors of 43427

List of positive integer factors of 43427 that divides 43420 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43420 and 43427. The biggest common factor number is the GCF number.
So the greatest common factor 43420 and 43427 is 1.

Also check out the Least Common Multiple of 43420 and 43427