What is the Greatest Common Factor of 69721 and 69728?

Greatest common factor (GCF) of 69721 and 69728 is 1.

GCF(69721,69728) = 1

We will now calculate the prime factors of 69721 and 69728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69721 and 69728.

How to find the GCF of 69721 and 69728?

We will first find the prime factorization of 69721 and 69728. After we will calculate the factors of 69721 and 69728 and find the biggest common factor number .

Step-1: Prime Factorization of 69721

Prime factors of 69721 are 113, 617. Prime factorization of 69721 in exponential form is:

69721 = 113¹ × 617¹

Step-2: Prime Factorization of 69728

Prime factors of 69728 are 2, 2179. Prime factorization of 69728 in exponential form is:

69728 = 2⁵ × 2179¹

Step-3: Factors of 69721

List of positive integer factors of 69721 that divides 69721 without a remainder.

1, 113, 617

Step-4: Factors of 69728

List of positive integer factors of 69728 that divides 69721 without a remainder.

1, 2, 4, 8, 16, 32, 2179, 4358, 8716, 17432, 34864

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69721 and 69728. The biggest common factor number is the GCF number.
So the greatest common factor 69721 and 69728 is 1.

Also check out the Least Common Multiple of 69721 and 69728