What is the Greatest Common Factor of 84255 and 84270?

Greatest common factor (GCF) of 84255 and 84270 is 15.

GCF(84255,84270) = 15

We will now calculate the prime factors of 84255 and 84270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84255 and 84270.

How to find the GCF of 84255 and 84270?

We will first find the prime factorization of 84255 and 84270. After we will calculate the factors of 84255 and 84270 and find the biggest common factor number .

Step-1: Prime Factorization of 84255

Prime factors of 84255 are 3, 5, 41, 137. Prime factorization of 84255 in exponential form is:

84255 = 3¹ × 5¹ × 41¹ × 137¹

Step-2: Prime Factorization of 84270

Prime factors of 84270 are 2, 3, 5, 53. Prime factorization of 84270 in exponential form is:

84270 = 2¹ × 3¹ × 5¹ × 53²

Step-3: Factors of 84255

List of positive integer factors of 84255 that divides 84255 without a remainder.

1, 3, 5, 15, 41, 123, 137, 205, 411, 615, 685, 2055, 5617, 16851, 28085

Step-4: Factors of 84270

List of positive integer factors of 84270 that divides 84255 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 2809, 5618, 8427, 14045, 16854, 28090, 42135

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84255 and 84270. The biggest common factor number is the GCF number.
So the greatest common factor 84255 and 84270 is 15.

Also check out the Least Common Multiple of 84255 and 84270