What is the Greatest Common Factor of 82805 and 82815?

Greatest common factor (GCF) of 82805 and 82815 is 5.

GCF(82805,82815) = 5

We will now calculate the prime factors of 82805 and 82815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82805 and 82815.

How to find the GCF of 82805 and 82815?

We will first find the prime factorization of 82805 and 82815. After we will calculate the factors of 82805 and 82815 and find the biggest common factor number .

Step-1: Prime Factorization of 82805

Prime factors of 82805 are 5, 16561. Prime factorization of 82805 in exponential form is:

82805 = 5¹ × 16561¹

Step-2: Prime Factorization of 82815

Prime factors of 82815 are 3, 5, 5521. Prime factorization of 82815 in exponential form is:

82815 = 3¹ × 5¹ × 5521¹

Step-3: Factors of 82805

List of positive integer factors of 82805 that divides 82805 without a remainder.

1, 5, 16561

Step-4: Factors of 82815

List of positive integer factors of 82815 that divides 82805 without a remainder.

1, 3, 5, 15, 5521, 16563, 27605

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82805 and 82815. The biggest common factor number is the GCF number.
So the greatest common factor 82805 and 82815 is 5.

Also check out the Least Common Multiple of 82805 and 82815