What is the Greatest Common Factor of 19215 and 19233?

Greatest common factor (GCF) of 19215 and 19233 is 9.

GCF(19215,19233) = 9

We will now calculate the prime factors of 19215 and 19233, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19215 and 19233.

How to find the GCF of 19215 and 19233?

We will first find the prime factorization of 19215 and 19233. After we will calculate the factors of 19215 and 19233 and find the biggest common factor number .

Step-1: Prime Factorization of 19215

Prime factors of 19215 are 3, 5, 7, 61. Prime factorization of 19215 in exponential form is:

19215 = 3² × 5¹ × 7¹ × 61¹

Step-2: Prime Factorization of 19233

Prime factors of 19233 are 3, 2137. Prime factorization of 19233 in exponential form is:

19233 = 3² × 2137¹

Step-3: Factors of 19215

List of positive integer factors of 19215 that divides 19215 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 2135, 2745, 3843, 6405

Step-4: Factors of 19233

List of positive integer factors of 19233 that divides 19215 without a remainder.

1, 3, 9, 2137, 6411

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19215 and 19233. The biggest common factor number is the GCF number.
So the greatest common factor 19215 and 19233 is 9.

Also check out the Least Common Multiple of 19215 and 19233