What is the Greatest Common Factor of 27430 and 27443?

Greatest common factor (GCF) of 27430 and 27443 is 13.

GCF(27430,27443) = 13

We will now calculate the prime factors of 27430 and 27443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27430 and 27443.

How to find the GCF of 27430 and 27443?

We will first find the prime factorization of 27430 and 27443. After we will calculate the factors of 27430 and 27443 and find the biggest common factor number .

Step-1: Prime Factorization of 27430

Prime factors of 27430 are 2, 5, 13, 211. Prime factorization of 27430 in exponential form is:

27430 = 2¹ × 5¹ × 13¹ × 211¹

Step-2: Prime Factorization of 27443

Prime factors of 27443 are 13, 2111. Prime factorization of 27443 in exponential form is:

27443 = 13¹ × 2111¹

Step-3: Factors of 27430

List of positive integer factors of 27430 that divides 27430 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 5486, 13715

Step-4: Factors of 27443

List of positive integer factors of 27443 that divides 27430 without a remainder.

1, 13, 2111

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27430 and 27443. The biggest common factor number is the GCF number.
So the greatest common factor 27430 and 27443 is 13.

Also check out the Least Common Multiple of 27430 and 27443