What is the Greatest Common Factor of 84135 and 84155?

Greatest common factor (GCF) of 84135 and 84155 is 5.

GCF(84135,84155) = 5

We will now calculate the prime factors of 84135 and 84155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84135 and 84155.

How to find the GCF of 84135 and 84155?

We will first find the prime factorization of 84135 and 84155. After we will calculate the factors of 84135 and 84155 and find the biggest common factor number .

Step-1: Prime Factorization of 84135

Prime factors of 84135 are 3, 5, 71, 79. Prime factorization of 84135 in exponential form is:

84135 = 3¹ × 5¹ × 71¹ × 79¹

Step-2: Prime Factorization of 84155

Prime factors of 84155 are 5, 16831. Prime factorization of 84155 in exponential form is:

84155 = 5¹ × 16831¹

Step-3: Factors of 84135

List of positive integer factors of 84135 that divides 84135 without a remainder.

1, 3, 5, 15, 71, 79, 213, 237, 355, 395, 1065, 1185, 5609, 16827, 28045

Step-4: Factors of 84155

List of positive integer factors of 84155 that divides 84135 without a remainder.

1, 5, 16831

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84135 and 84155. The biggest common factor number is the GCF number.
So the greatest common factor 84135 and 84155 is 5.

Also check out the Least Common Multiple of 84135 and 84155