What is the Greatest Common Factor of 43239 and 43243?

Greatest common factor (GCF) of 43239 and 43243 is 1.

GCF(43239,43243) = 1

We will now calculate the prime factors of 43239 and 43243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43239 and 43243.

How to find the GCF of 43239 and 43243?

We will first find the prime factorization of 43239 and 43243. After we will calculate the factors of 43239 and 43243 and find the biggest common factor number .

Step-1: Prime Factorization of 43239

Prime factors of 43239 are 3, 7, 29, 71. Prime factorization of 43239 in exponential form is:

43239 = 3¹ × 7¹ × 29¹ × 71¹

Step-2: Prime Factorization of 43243

Prime factors of 43243 are 83, 521. Prime factorization of 43243 in exponential form is:

43243 = 83¹ × 521¹

Step-3: Factors of 43239

List of positive integer factors of 43239 that divides 43239 without a remainder.

1, 3, 7, 21, 29, 71, 87, 203, 213, 497, 609, 1491, 2059, 6177, 14413

Step-4: Factors of 43243

List of positive integer factors of 43243 that divides 43239 without a remainder.

1, 83, 521

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43239 and 43243. The biggest common factor number is the GCF number.
So the greatest common factor 43239 and 43243 is 1.

Also check out the Least Common Multiple of 43239 and 43243