What is the Greatest Common Factor of 75243 and 75261?

Greatest common factor (GCF) of 75243 and 75261 is 3.

GCF(75243,75261) = 3

We will now calculate the prime factors of 75243 and 75261, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75243 and 75261.

How to find the GCF of 75243 and 75261?

We will first find the prime factorization of 75243 and 75261. After we will calculate the factors of 75243 and 75261 and find the biggest common factor number .

Step-1: Prime Factorization of 75243

Prime factors of 75243 are 3, 7, 3583. Prime factorization of 75243 in exponential form is:

75243 = 3¹ × 7¹ × 3583¹

Step-2: Prime Factorization of 75261

Prime factors of 75261 are 3, 25087. Prime factorization of 75261 in exponential form is:

75261 = 3¹ × 25087¹

Step-3: Factors of 75243

List of positive integer factors of 75243 that divides 75243 without a remainder.

1, 3, 7, 21, 3583, 10749, 25081

Step-4: Factors of 75261

List of positive integer factors of 75261 that divides 75243 without a remainder.

1, 3, 25087

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75243 and 75261. The biggest common factor number is the GCF number.
So the greatest common factor 75243 and 75261 is 3.

Also check out the Least Common Multiple of 75243 and 75261