What is the Greatest Common Factor of 72557 and 72565?

Greatest common factor (GCF) of 72557 and 72565 is 1.

GCF(72557,72565) = 1

We will now calculate the prime factors of 72557 and 72565, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72557 and 72565.

How to find the GCF of 72557 and 72565?

We will first find the prime factorization of 72557 and 72565. After we will calculate the factors of 72557 and 72565 and find the biggest common factor number .

Step-1: Prime Factorization of 72557

Prime factors of 72557 are 37, 53. Prime factorization of 72557 in exponential form is:

72557 = 37² × 53¹

Step-2: Prime Factorization of 72565

Prime factors of 72565 are 5, 23, 631. Prime factorization of 72565 in exponential form is:

72565 = 5¹ × 23¹ × 631¹

Step-3: Factors of 72557

List of positive integer factors of 72557 that divides 72557 without a remainder.

1, 37, 53, 1369, 1961

Step-4: Factors of 72565

List of positive integer factors of 72565 that divides 72557 without a remainder.

1, 5, 23, 115, 631, 3155, 14513

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72557 and 72565. The biggest common factor number is the GCF number.
So the greatest common factor 72557 and 72565 is 1.

Also check out the Least Common Multiple of 72557 and 72565