What is the Greatest Common Factor of 66195 and 66213?

Greatest common factor (GCF) of 66195 and 66213 is 9.

GCF(66195,66213) = 9

We will now calculate the prime factors of 66195 and 66213, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66195 and 66213.

How to find the GCF of 66195 and 66213?

We will first find the prime factorization of 66195 and 66213. After we will calculate the factors of 66195 and 66213 and find the biggest common factor number .

Step-1: Prime Factorization of 66195

Prime factors of 66195 are 3, 5, 1471. Prime factorization of 66195 in exponential form is:

66195 = 3² × 5¹ × 1471¹

Step-2: Prime Factorization of 66213

Prime factors of 66213 are 3, 7, 1051. Prime factorization of 66213 in exponential form is:

66213 = 3² × 7¹ × 1051¹

Step-3: Factors of 66195

List of positive integer factors of 66195 that divides 66195 without a remainder.

1, 3, 5, 9, 15, 45, 1471, 4413, 7355, 13239, 22065

Step-4: Factors of 66213

List of positive integer factors of 66213 that divides 66195 without a remainder.

1, 3, 7, 9, 21, 63, 1051, 3153, 7357, 9459, 22071

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66195 and 66213. The biggest common factor number is the GCF number.
So the greatest common factor 66195 and 66213 is 9.

Also check out the Least Common Multiple of 66195 and 66213