What is the Greatest Common Factor of 72561 and 72575?

Greatest common factor (GCF) of 72561 and 72575 is 1.

GCF(72561,72575) = 1

We will now calculate the prime factors of 72561 and 72575, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72561 and 72575.

How to find the GCF of 72561 and 72575?

We will first find the prime factorization of 72561 and 72575. After we will calculate the factors of 72561 and 72575 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 72575

Prime factors of 72575 are 5, 2903. Prime factorization of 72575 in exponential form is:

72575 = 5² × 2903¹

Step-3: Factors of 72561

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

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

Step-4: Factors of 72575

List of positive integer factors of 72575 that divides 72561 without a remainder.

1, 5, 25, 2903, 14515

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72561 and 72575. The biggest common factor number is the GCF number.
So the greatest common factor 72561 and 72575 is 1.

Also check out the Least Common Multiple of 72561 and 72575