What is the Greatest Common Factor of 30195 and 30207?

Greatest common factor (GCF) of 30195 and 30207 is 3.

GCF(30195,30207) = 3

We will now calculate the prime factors of 30195 and 30207, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30195 and 30207.

How to find the GCF of 30195 and 30207?

We will first find the prime factorization of 30195 and 30207. After we will calculate the factors of 30195 and 30207 and find the biggest common factor number .

Step-1: Prime Factorization of 30195

Prime factors of 30195 are 3, 5, 11, 61. Prime factorization of 30195 in exponential form is:

30195 = 3² × 5¹ × 11¹ × 61¹

Step-2: Prime Factorization of 30207

Prime factors of 30207 are 3, 10069. Prime factorization of 30207 in exponential form is:

30207 = 3¹ × 10069¹

Step-3: Factors of 30195

List of positive integer factors of 30195 that divides 30195 without a remainder.

1, 3, 5, 9, 11, 15, 33, 45, 55, 61, 99, 165, 183, 305, 495, 549, 671, 915, 2013, 2745, 3355, 6039, 10065

Step-4: Factors of 30207

List of positive integer factors of 30207 that divides 30195 without a remainder.

1, 3, 10069

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30195 and 30207. The biggest common factor number is the GCF number.
So the greatest common factor 30195 and 30207 is 3.

Also check out the Least Common Multiple of 30195 and 30207