What is the Greatest Common Factor of 66195 and 66205?

Greatest common factor (GCF) of 66195 and 66205 is 5.

GCF(66195,66205) = 5

We will now calculate the prime factors of 66195 and 66205, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66195 and 66205.

How to find the GCF of 66195 and 66205?

We will first find the prime factorization of 66195 and 66205. After we will calculate the factors of 66195 and 66205 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 66205

Prime factors of 66205 are 5, 13241. Prime factorization of 66205 in exponential form is:

66205 = 5¹ × 13241¹

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 66205

List of positive integer factors of 66205 that divides 66195 without a remainder.

1, 5, 13241

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66195 and 66205. The biggest common factor number is the GCF number.
So the greatest common factor 66195 and 66205 is 5.

Also check out the Least Common Multiple of 66195 and 66205