What is the Greatest Common Factor of 7539 and 7543?

Greatest common factor (GCF) of 7539 and 7543 is 1.

GCF(7539,7543) = 1

We will now calculate the prime factors of 7539 and 7543, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7539 and 7543.

How to find the GCF of 7539 and 7543?

We will first find the prime factorization of 7539 and 7543. After we will calculate the factors of 7539 and 7543 and find the biggest common factor number .

Step-1: Prime Factorization of 7539

Prime factors of 7539 are 3, 7, 359. Prime factorization of 7539 in exponential form is:

7539 = 3¹ × 7¹ × 359¹

Step-2: Prime Factorization of 7543

Prime factors of 7543 are 19, 397. Prime factorization of 7543 in exponential form is:

7543 = 19¹ × 397¹

Step-3: Factors of 7539

List of positive integer factors of 7539 that divides 7539 without a remainder.

1, 3, 7, 21, 359, 1077, 2513

Step-4: Factors of 7543

List of positive integer factors of 7543 that divides 7539 without a remainder.

1, 19, 397

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7539 and 7543. The biggest common factor number is the GCF number.
So the greatest common factor 7539 and 7543 is 1.

Also check out the Least Common Multiple of 7539 and 7543