What is the Greatest Common Factor of 63210 and 63217?

Greatest common factor (GCF) of 63210 and 63217 is 7.

GCF(63210,63217) = 7

We will now calculate the prime factors of 63210 and 63217, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63210 and 63217.

How to find the GCF of 63210 and 63217?

We will first find the prime factorization of 63210 and 63217. After we will calculate the factors of 63210 and 63217 and find the biggest common factor number .

Step-1: Prime Factorization of 63210

Prime factors of 63210 are 2, 3, 5, 7, 43. Prime factorization of 63210 in exponential form is:

63210 = 2¹ × 3¹ × 5¹ × 7² × 43¹

Step-2: Prime Factorization of 63217

Prime factors of 63217 are 7, 11, 821. Prime factorization of 63217 in exponential form is:

63217 = 7¹ × 11¹ × 821¹

Step-3: Factors of 63210

List of positive integer factors of 63210 that divides 63210 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 49, 70, 86, 98, 105, 129, 147, 210, 215, 245, 258, 294, 301, 430, 490, 602, 645, 735, 903, 1290, 1470, 1505, 1806, 2107, 3010, 4214, 4515, 6321, 9030, 10535, 12642, 21070, 31605

Step-4: Factors of 63217

List of positive integer factors of 63217 that divides 63210 without a remainder.

1, 7, 11, 77, 821, 5747, 9031

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63210 and 63217. The biggest common factor number is the GCF number.
So the greatest common factor 63210 and 63217 is 7.

Also check out the Least Common Multiple of 63210 and 63217