What is the Greatest Common Factor of 40239 and 40243?

Greatest common factor (GCF) of 40239 and 40243 is 1.

GCF(40239,40243) = 1

We will now calculate the prime factors of 40239 and 40243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40239 and 40243.

How to find the GCF of 40239 and 40243?

We will first find the prime factorization of 40239 and 40243. After we will calculate the factors of 40239 and 40243 and find the biggest common factor number .

Step-1: Prime Factorization of 40239

Prime factors of 40239 are 3, 17, 263. Prime factorization of 40239 in exponential form is:

40239 = 3² × 17¹ × 263¹

Step-2: Prime Factorization of 40243

Prime factors of 40243 are 7, 5749. Prime factorization of 40243 in exponential form is:

40243 = 7¹ × 5749¹

Step-3: Factors of 40239

List of positive integer factors of 40239 that divides 40239 without a remainder.

1, 3, 9, 17, 51, 153, 263, 789, 2367, 4471, 13413

Step-4: Factors of 40243

List of positive integer factors of 40243 that divides 40239 without a remainder.

1, 7, 5749

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40239 and 40243. The biggest common factor number is the GCF number.
So the greatest common factor 40239 and 40243 is 1.

Also check out the Least Common Multiple of 40239 and 40243