What is the Greatest Common Factor of 28628 and 28636?

Greatest common factor (GCF) of 28628 and 28636 is 4.

GCF(28628,28636) = 4

We will now calculate the prime factors of 28628 and 28636, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28628 and 28636.

How to find the GCF of 28628 and 28636?

We will first find the prime factorization of 28628 and 28636. After we will calculate the factors of 28628 and 28636 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 28636

Prime factors of 28636 are 2, 7159. Prime factorization of 28636 in exponential form is:

28636 = 2² × 7159¹

Step-3: Factors of 28628

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

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

Step-4: Factors of 28636

List of positive integer factors of 28636 that divides 28628 without a remainder.

1, 2, 4, 7159, 14318

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28628 and 28636. The biggest common factor number is the GCF number.
So the greatest common factor 28628 and 28636 is 4.

Also check out the Least Common Multiple of 28628 and 28636