What is the Greatest Common Factor of 43426 and 43438?

Greatest common factor (GCF) of 43426 and 43438 is 2.

GCF(43426,43438) = 2

We will now calculate the prime factors of 43426 and 43438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43426 and 43438.

How to find the GCF of 43426 and 43438?

We will first find the prime factorization of 43426 and 43438. After we will calculate the factors of 43426 and 43438 and find the biggest common factor number .

Step-1: Prime Factorization of 43426

Prime factors of 43426 are 2, 21713. Prime factorization of 43426 in exponential form is:

43426 = 2¹ × 21713¹

Step-2: Prime Factorization of 43438

Prime factors of 43438 are 2, 37, 587. Prime factorization of 43438 in exponential form is:

43438 = 2¹ × 37¹ × 587¹

Step-3: Factors of 43426

List of positive integer factors of 43426 that divides 43426 without a remainder.

1, 2, 21713

Step-4: Factors of 43438

List of positive integer factors of 43438 that divides 43426 without a remainder.

1, 2, 37, 74, 587, 1174, 21719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43426 and 43438. The biggest common factor number is the GCF number.
So the greatest common factor 43426 and 43438 is 2.

Also check out the Least Common Multiple of 43426 and 43438