GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28709 and 28718?

Greatest common factor (GCF) of 28709 and 28718 is 1.

GCF(28709,28718) = 1

We will now calculate the prime factors of 28709 and 28718, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28709 and 28718.

GCF Calculator and
and

How to find the GCF of 28709 and 28718?

We will first find the prime factorization of 28709 and 28718. After we will calculate the factors of 28709 and 28718 and find the biggest common factor number .

Step-1: Prime Factorization of 28709

Prime factors of 28709 are 19, 1511. Prime factorization of 28709 in exponential form is:

28709 = 191 × 15111

Step-2: Prime Factorization of 28718

Prime factors of 28718 are 2, 83, 173. Prime factorization of 28718 in exponential form is:

28718 = 21 × 831 × 1731

Step-3: Factors of 28709

List of positive integer factors of 28709 that divides 28709 without a remainder.

1, 19, 1511

Step-4: Factors of 28718

List of positive integer factors of 28718 that divides 28709 without a remainder.

1, 2, 83, 166, 173, 346, 14359

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28709 and 28718. The biggest common factor number is the GCF number.
So the greatest common factor 28709 and 28718 is 1.

Also check out the Least Common Multiple of 28709 and 28718