What is the Greatest Common Factor of 28290 and 28299?

Greatest common factor (GCF) of 28290 and 28299 is 3.

GCF(28290,28299) = 3

We will now calculate the prime factors of 28290 and 28299, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28290 and 28299.

How to find the GCF of 28290 and 28299?

We will first find the prime factorization of 28290 and 28299. After we will calculate the factors of 28290 and 28299 and find the biggest common factor number .

Step-1: Prime Factorization of 28290

Prime factors of 28290 are 2, 3, 5, 23, 41. Prime factorization of 28290 in exponential form is:

28290 = 2¹ × 3¹ × 5¹ × 23¹ × 41¹

Step-2: Prime Factorization of 28299

Prime factors of 28299 are 3, 9433. Prime factorization of 28299 in exponential form is:

28299 = 3¹ × 9433¹

Step-3: Factors of 28290

List of positive integer factors of 28290 that divides 28290 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 46, 69, 82, 115, 123, 138, 205, 230, 246, 345, 410, 615, 690, 943, 1230, 1886, 2829, 4715, 5658, 9430, 14145

Step-4: Factors of 28299

List of positive integer factors of 28299 that divides 28290 without a remainder.

1, 3, 9433

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28290 and 28299. The biggest common factor number is the GCF number.
So the greatest common factor 28290 and 28299 is 3.

Also check out the Least Common Multiple of 28290 and 28299