What is the Greatest Common Factor of 16287 and 16305?

Greatest common factor (GCF) of 16287 and 16305 is 3.

GCF(16287,16305) = 3

We will now calculate the prime factors of 16287 and 16305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16287 and 16305.

How to find the GCF of 16287 and 16305?

We will first find the prime factorization of 16287 and 16305. After we will calculate the factors of 16287 and 16305 and find the biggest common factor number .

Step-1: Prime Factorization of 16287

Prime factors of 16287 are 3, 61, 89. Prime factorization of 16287 in exponential form is:

16287 = 3¹ × 61¹ × 89¹

Step-2: Prime Factorization of 16305

Prime factors of 16305 are 3, 5, 1087. Prime factorization of 16305 in exponential form is:

16305 = 3¹ × 5¹ × 1087¹

Step-3: Factors of 16287

List of positive integer factors of 16287 that divides 16287 without a remainder.

1, 3, 61, 89, 183, 267, 5429

Step-4: Factors of 16305

List of positive integer factors of 16305 that divides 16287 without a remainder.

1, 3, 5, 15, 1087, 3261, 5435

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16287 and 16305. The biggest common factor number is the GCF number.
So the greatest common factor 16287 and 16305 is 3.

Also check out the Least Common Multiple of 16287 and 16305