What is the Greatest Common Factor of 28287 and 28307?

Greatest common factor (GCF) of 28287 and 28307 is 1.

GCF(28287,28307) = 1

We will now calculate the prime factors of 28287 and 28307, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28287 and 28307.

How to find the GCF of 28287 and 28307?

We will first find the prime factorization of 28287 and 28307. After we will calculate the factors of 28287 and 28307 and find the biggest common factor number .

Step-1: Prime Factorization of 28287

Prime factors of 28287 are 3, 7, 449. Prime factorization of 28287 in exponential form is:

28287 = 3² × 7¹ × 449¹

Step-2: Prime Factorization of 28307

Prime factors of 28307 are 28307. Prime factorization of 28307 in exponential form is:

28307 = 28307¹

Step-3: Factors of 28287

List of positive integer factors of 28287 that divides 28287 without a remainder.

1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 9429

Step-4: Factors of 28307

List of positive integer factors of 28307 that divides 28287 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28287 and 28307. The biggest common factor number is the GCF number.
So the greatest common factor 28287 and 28307 is 1.

Also check out the Least Common Multiple of 28287 and 28307