What is the Greatest Common Factor of 72554 and 72561?

Greatest common factor (GCF) of 72554 and 72561 is 1.

GCF(72554,72561) = 1

We will now calculate the prime factors of 72554 and 72561, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72554 and 72561.

How to find the GCF of 72554 and 72561?

We will first find the prime factorization of 72554 and 72561. After we will calculate the factors of 72554 and 72561 and find the biggest common factor number .

Step-1: Prime Factorization of 72554

Prime factors of 72554 are 2, 36277. Prime factorization of 72554 in exponential form is:

72554 = 2¹ × 36277¹

Step-2: Prime Factorization of 72561

Prime factors of 72561 are 3, 19, 67. Prime factorization of 72561 in exponential form is:

72561 = 3¹ × 19² × 67¹

Step-3: Factors of 72554

List of positive integer factors of 72554 that divides 72554 without a remainder.

1, 2, 36277

Step-4: Factors of 72561

List of positive integer factors of 72561 that divides 72554 without a remainder.

1, 3, 19, 57, 67, 201, 361, 1083, 1273, 3819, 24187

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72554 and 72561. The biggest common factor number is the GCF number.
So the greatest common factor 72554 and 72561 is 1.

Also check out the Least Common Multiple of 72554 and 72561