What is the Greatest Common Factor of 28417 and 28421?

Greatest common factor (GCF) of 28417 and 28421 is 1.

GCF(28417,28421) = 1

We will now calculate the prime factors of 28417 and 28421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28417 and 28421.

How to find the GCF of 28417 and 28421?

We will first find the prime factorization of 28417 and 28421. After we will calculate the factors of 28417 and 28421 and find the biggest common factor number .

Step-1: Prime Factorization of 28417

Prime factors of 28417 are 157, 181. Prime factorization of 28417 in exponential form is:

28417 = 157¹ × 181¹

Step-2: Prime Factorization of 28421

Prime factors of 28421 are 97, 293. Prime factorization of 28421 in exponential form is:

28421 = 97¹ × 293¹

Step-3: Factors of 28417

List of positive integer factors of 28417 that divides 28417 without a remainder.

1, 157, 181

Step-4: Factors of 28421

List of positive integer factors of 28421 that divides 28417 without a remainder.

1, 97, 293

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28417 and 28421. The biggest common factor number is the GCF number.
So the greatest common factor 28417 and 28421 is 1.

Also check out the Least Common Multiple of 28417 and 28421