What is the Greatest Common Factor of 70239 and 70243?

Greatest common factor (GCF) of 70239 and 70243 is 1.

GCF(70239,70243) = 1

We will now calculate the prime factors of 70239 and 70243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70239 and 70243.

How to find the GCF of 70239 and 70243?

We will first find the prime factorization of 70239 and 70243. After we will calculate the factors of 70239 and 70243 and find the biggest common factor number .

Step-1: Prime Factorization of 70239

Prime factors of 70239 are 3, 13, 1801. Prime factorization of 70239 in exponential form is:

70239 = 3¹ × 13¹ × 1801¹

Step-2: Prime Factorization of 70243

Prime factors of 70243 are 19, 3697. Prime factorization of 70243 in exponential form is:

70243 = 19¹ × 3697¹

Step-3: Factors of 70239

List of positive integer factors of 70239 that divides 70239 without a remainder.

1, 3, 13, 39, 1801, 5403, 23413

Step-4: Factors of 70243

List of positive integer factors of 70243 that divides 70239 without a remainder.

1, 19, 3697

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70239 and 70243. The biggest common factor number is the GCF number.
So the greatest common factor 70239 and 70243 is 1.

Also check out the Least Common Multiple of 70239 and 70243