What is the Greatest Common Factor of 28427 and 28438?

Greatest common factor (GCF) of 28427 and 28438 is 1.

GCF(28427,28438) = 1

We will now calculate the prime factors of 28427 and 28438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28427 and 28438.

How to find the GCF of 28427 and 28438?

We will first find the prime factorization of 28427 and 28438. After we will calculate the factors of 28427 and 28438 and find the biggest common factor number .

Step-1: Prime Factorization of 28427

Prime factors of 28427 are 7, 31, 131. Prime factorization of 28427 in exponential form is:

28427 = 7¹ × 31¹ × 131¹

Step-2: Prime Factorization of 28438

Prime factors of 28438 are 2, 59, 241. Prime factorization of 28438 in exponential form is:

28438 = 2¹ × 59¹ × 241¹

Step-3: Factors of 28427

List of positive integer factors of 28427 that divides 28427 without a remainder.

1, 7, 31, 131, 217, 917, 4061

Step-4: Factors of 28438

List of positive integer factors of 28438 that divides 28427 without a remainder.

1, 2, 59, 118, 241, 482, 14219

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28427 and 28438. The biggest common factor number is the GCF number.
So the greatest common factor 28427 and 28438 is 1.

Also check out the Least Common Multiple of 28427 and 28438