What is the Greatest Common Factor of 28359 and 28378?

Greatest common factor (GCF) of 28359 and 28378 is 1.

GCF(28359,28378) = 1

We will now calculate the prime factors of 28359 and 28378, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28359 and 28378.

How to find the GCF of 28359 and 28378?

We will first find the prime factorization of 28359 and 28378. After we will calculate the factors of 28359 and 28378 and find the biggest common factor number .

Step-1: Prime Factorization of 28359

Prime factors of 28359 are 3, 23, 137. Prime factorization of 28359 in exponential form is:

28359 = 3² × 23¹ × 137¹

Step-2: Prime Factorization of 28378

Prime factors of 28378 are 2, 7, 2027. Prime factorization of 28378 in exponential form is:

28378 = 2¹ × 7¹ × 2027¹

Step-3: Factors of 28359

List of positive integer factors of 28359 that divides 28359 without a remainder.

1, 3, 9, 23, 69, 137, 207, 411, 1233, 3151, 9453

Step-4: Factors of 28378

List of positive integer factors of 28378 that divides 28359 without a remainder.

1, 2, 7, 14, 2027, 4054, 14189

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28359 and 28378. The biggest common factor number is the GCF number.
So the greatest common factor 28359 and 28378 is 1.

Also check out the Least Common Multiple of 28359 and 28378