GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28621 and 28628?

Greatest common factor (GCF) of 28621 and 28628 is 1.

GCF(28621,28628) = 1

We will now calculate the prime factors of 28621 and 28628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28621 and 28628.

GCF Calculator and
and

How to find the GCF of 28621 and 28628?

We will first find the prime factorization of 28621 and 28628. After we will calculate the factors of 28621 and 28628 and find the biggest common factor number .

Step-1: Prime Factorization of 28621

Prime factors of 28621 are 28621. Prime factorization of 28621 in exponential form is:

28621 = 286211

Step-2: Prime Factorization of 28628

Prime factors of 28628 are 2, 17, 421. Prime factorization of 28628 in exponential form is:

28628 = 22 × 171 × 4211

Step-3: Factors of 28621

List of positive integer factors of 28621 that divides 28621 without a remainder.

1

Step-4: Factors of 28628

List of positive integer factors of 28628 that divides 28621 without a remainder.

1, 2, 4, 17, 34, 68, 421, 842, 1684, 7157, 14314

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28621 and 28628. The biggest common factor number is the GCF number.
So the greatest common factor 28621 and 28628 is 1.

Also check out the Least Common Multiple of 28621 and 28628