What is the Greatest Common Factor of 84570 and 84585?

Greatest common factor (GCF) of 84570 and 84585 is 15.

GCF(84570,84585) = 15

We will now calculate the prime factors of 84570 and 84585, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84570 and 84585.

How to find the GCF of 84570 and 84585?

We will first find the prime factorization of 84570 and 84585. After we will calculate the factors of 84570 and 84585 and find the biggest common factor number .

Step-1: Prime Factorization of 84570

Prime factors of 84570 are 2, 3, 5, 2819. Prime factorization of 84570 in exponential form is:

84570 = 2¹ × 3¹ × 5¹ × 2819¹

Step-2: Prime Factorization of 84585

Prime factors of 84585 are 3, 5, 5639. Prime factorization of 84585 in exponential form is:

84585 = 3¹ × 5¹ × 5639¹

Step-3: Factors of 84570

List of positive integer factors of 84570 that divides 84570 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2819, 5638, 8457, 14095, 16914, 28190, 42285

Step-4: Factors of 84585

List of positive integer factors of 84585 that divides 84570 without a remainder.

1, 3, 5, 15, 5639, 16917, 28195

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84570 and 84585. The biggest common factor number is the GCF number.
So the greatest common factor 84570 and 84585 is 15.

Also check out the Least Common Multiple of 84570 and 84585