What is the Greatest Common Factor of 7239 and 7258?

Greatest common factor (GCF) of 7239 and 7258 is 19.

GCF(7239,7258) = 19

We will now calculate the prime factors of 7239 and 7258, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7239 and 7258.

How to find the GCF of 7239 and 7258?

We will first find the prime factorization of 7239 and 7258. After we will calculate the factors of 7239 and 7258 and find the biggest common factor number .

Step-1: Prime Factorization of 7239

Prime factors of 7239 are 3, 19, 127. Prime factorization of 7239 in exponential form is:

7239 = 3¹ × 19¹ × 127¹

Step-2: Prime Factorization of 7258

Prime factors of 7258 are 2, 19, 191. Prime factorization of 7258 in exponential form is:

7258 = 2¹ × 19¹ × 191¹

Step-3: Factors of 7239

List of positive integer factors of 7239 that divides 7239 without a remainder.

1, 3, 19, 57, 127, 381, 2413

Step-4: Factors of 7258

List of positive integer factors of 7258 that divides 7239 without a remainder.

1, 2, 19, 38, 191, 382, 3629

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7239 and 7258. The biggest common factor number is the GCF number.
So the greatest common factor 7239 and 7258 is 19.

Also check out the Least Common Multiple of 7239 and 7258