What is the Greatest Common Factor of 84609 and 84615?

Greatest common factor (GCF) of 84609 and 84615 is 3.

GCF(84609,84615) = 3

We will now calculate the prime factors of 84609 and 84615, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84609 and 84615.

How to find the GCF of 84609 and 84615?

We will first find the prime factorization of 84609 and 84615. After we will calculate the factors of 84609 and 84615 and find the biggest common factor number .

Step-1: Prime Factorization of 84609

Prime factors of 84609 are 3, 7, 17, 79. Prime factorization of 84609 in exponential form is:

84609 = 3² × 7¹ × 17¹ × 79¹

Step-2: Prime Factorization of 84615

Prime factors of 84615 are 3, 5, 5641. Prime factorization of 84615 in exponential form is:

84615 = 3¹ × 5¹ × 5641¹

Step-3: Factors of 84609

List of positive integer factors of 84609 that divides 84609 without a remainder.

1, 3, 7, 9, 17, 21, 51, 63, 79, 119, 153, 237, 357, 553, 711, 1071, 1343, 1659, 4029, 4977, 9401, 12087, 28203

Step-4: Factors of 84615

List of positive integer factors of 84615 that divides 84609 without a remainder.

1, 3, 5, 15, 5641, 16923, 28205

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84609 and 84615. The biggest common factor number is the GCF number.
So the greatest common factor 84609 and 84615 is 3.

Also check out the Least Common Multiple of 84609 and 84615