What is the Greatest Common Factor of 43709 and 43721?

Greatest common factor (GCF) of 43709 and 43721 is 1.

GCF(43709,43721) = 1

We will now calculate the prime factors of 43709 and 43721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43709 and 43721.

How to find the GCF of 43709 and 43721?

We will first find the prime factorization of 43709 and 43721. After we will calculate the factors of 43709 and 43721 and find the biggest common factor number .

Step-1: Prime Factorization of 43709

Prime factors of 43709 are 109, 401. Prime factorization of 43709 in exponential form is:

43709 = 109¹ × 401¹

Step-2: Prime Factorization of 43721

Prime factors of 43721 are 43721. Prime factorization of 43721 in exponential form is:

43721 = 43721¹

Step-3: Factors of 43709

List of positive integer factors of 43709 that divides 43709 without a remainder.

1, 109, 401

Step-4: Factors of 43721

List of positive integer factors of 43721 that divides 43709 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43709 and 43721. The biggest common factor number is the GCF number.
So the greatest common factor 43709 and 43721 is 1.

Also check out the Least Common Multiple of 43709 and 43721