What is the Greatest Common Factor of 28345 and 28356?

Greatest common factor (GCF) of 28345 and 28356 is 1.

GCF(28345,28356) = 1

We will now calculate the prime factors of 28345 and 28356, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28345 and 28356.

How to find the GCF of 28345 and 28356?

We will first find the prime factorization of 28345 and 28356. After we will calculate the factors of 28345 and 28356 and find the biggest common factor number .

Step-1: Prime Factorization of 28345

Prime factors of 28345 are 5, 5669. Prime factorization of 28345 in exponential form is:

28345 = 5¹ × 5669¹

Step-2: Prime Factorization of 28356

Prime factors of 28356 are 2, 3, 17, 139. Prime factorization of 28356 in exponential form is:

28356 = 2² × 3¹ × 17¹ × 139¹

Step-3: Factors of 28345

List of positive integer factors of 28345 that divides 28345 without a remainder.

1, 5, 5669

Step-4: Factors of 28356

List of positive integer factors of 28356 that divides 28345 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 139, 204, 278, 417, 556, 834, 1668, 2363, 4726, 7089, 9452, 14178

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28345 and 28356. The biggest common factor number is the GCF number.
So the greatest common factor 28345 and 28356 is 1.

Also check out the Least Common Multiple of 28345 and 28356