What is the Greatest Common Factor of 84815 and 84820?

Greatest common factor (GCF) of 84815 and 84820 is 5.

GCF(84815,84820) = 5

We will now calculate the prime factors of 84815 and 84820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84815 and 84820.

How to find the GCF of 84815 and 84820?

We will first find the prime factorization of 84815 and 84820. After we will calculate the factors of 84815 and 84820 and find the biggest common factor number .

Step-1: Prime Factorization of 84815

Prime factors of 84815 are 5, 16963. Prime factorization of 84815 in exponential form is:

84815 = 5¹ × 16963¹

Step-2: Prime Factorization of 84820

Prime factors of 84820 are 2, 5, 4241. Prime factorization of 84820 in exponential form is:

84820 = 2² × 5¹ × 4241¹

Step-3: Factors of 84815

List of positive integer factors of 84815 that divides 84815 without a remainder.

1, 5, 16963

Step-4: Factors of 84820

List of positive integer factors of 84820 that divides 84815 without a remainder.

1, 2, 4, 5, 10, 20, 4241, 8482, 16964, 21205, 42410

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84815 and 84820. The biggest common factor number is the GCF number.
So the greatest common factor 84815 and 84820 is 5.

Also check out the Least Common Multiple of 84815 and 84820