What is the Greatest Common Factor of 84210 and 84225?

Greatest common factor (GCF) of 84210 and 84225 is 15.

GCF(84210,84225) = 15

We will now calculate the prime factors of 84210 and 84225, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84210 and 84225.

How to find the GCF of 84210 and 84225?

We will first find the prime factorization of 84210 and 84225. After we will calculate the factors of 84210 and 84225 and find the biggest common factor number .

Step-1: Prime Factorization of 84210

Prime factors of 84210 are 2, 3, 5, 7, 401. Prime factorization of 84210 in exponential form is:

84210 = 2¹ × 3¹ × 5¹ × 7¹ × 401¹

Step-2: Prime Factorization of 84225

Prime factors of 84225 are 3, 5, 1123. Prime factorization of 84225 in exponential form is:

84225 = 3¹ × 5² × 1123¹

Step-3: Factors of 84210

List of positive integer factors of 84210 that divides 84210 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 401, 802, 1203, 2005, 2406, 2807, 4010, 5614, 6015, 8421, 12030, 14035, 16842, 28070, 42105

Step-4: Factors of 84225

List of positive integer factors of 84225 that divides 84210 without a remainder.

1, 3, 5, 15, 25, 75, 1123, 3369, 5615, 16845, 28075

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84210 and 84225. The biggest common factor number is the GCF number.
So the greatest common factor 84210 and 84225 is 15.

Also check out the Least Common Multiple of 84210 and 84225