What is the Greatest Common Factor of 16203 and 16215?

Greatest common factor (GCF) of 16203 and 16215 is 3.

GCF(16203,16215) = 3

We will now calculate the prime factors of 16203 and 16215, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16203 and 16215.

How to find the GCF of 16203 and 16215?

We will first find the prime factorization of 16203 and 16215. After we will calculate the factors of 16203 and 16215 and find the biggest common factor number .

Step-1: Prime Factorization of 16203

Prime factors of 16203 are 3, 11, 491. Prime factorization of 16203 in exponential form is:

16203 = 3¹ × 11¹ × 491¹

Step-2: Prime Factorization of 16215

Prime factors of 16215 are 3, 5, 23, 47. Prime factorization of 16215 in exponential form is:

16215 = 3¹ × 5¹ × 23¹ × 47¹

Step-3: Factors of 16203

List of positive integer factors of 16203 that divides 16203 without a remainder.

1, 3, 11, 33, 491, 1473, 5401

Step-4: Factors of 16215

List of positive integer factors of 16215 that divides 16203 without a remainder.

1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16203 and 16215. The biggest common factor number is the GCF number.
So the greatest common factor 16203 and 16215 is 3.

Also check out the Least Common Multiple of 16203 and 16215