GCF and LCM Calculator Logo

What is the Greatest Common Factor of 815 and 829?

Greatest common factor (GCF) of 815 and 829 is 1.

GCF(815,829) = 1

We will now calculate the prime factors of 815 and 829, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 815 and 829.

GCF Calculator and
and

How to find the GCF of 815 and 829?

We will first find the prime factorization of 815 and 829. After we will calculate the factors of 815 and 829 and find the biggest common factor number .

Step-1: Prime Factorization of 815

Prime factors of 815 are 5, 163. Prime factorization of 815 in exponential form is:

815 = 51 × 1631

Step-2: Prime Factorization of 829

Prime factors of 829 are 829. Prime factorization of 829 in exponential form is:

829 = 8291

Step-3: Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1, 5, 163

Step-4: Factors of 829

List of positive integer factors of 829 that divides 815 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 815 and 829. The biggest common factor number is the GCF number.
So the greatest common factor 815 and 829 is 1.

Also check out the Least Common Multiple of 815 and 829