What is the Greatest Common Factor of 28623 and 28628?

Greatest common factor (GCF) of 28623 and 28628 is 1.

GCF(28623,28628) = 1

We will now calculate the prime factors of 28623 and 28628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28623 and 28628.

How to find the GCF of 28623 and 28628?

We will first find the prime factorization of 28623 and 28628. After we will calculate the factors of 28623 and 28628 and find the biggest common factor number .

Step-1: Prime Factorization of 28623

Prime factors of 28623 are 3, 7, 29, 47. Prime factorization of 28623 in exponential form is:

28623 = 3¹ × 7¹ × 29¹ × 47¹

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 28623

List of positive integer factors of 28623 that divides 28623 without a remainder.

1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 987, 1363, 4089, 9541

Step-4: Factors of 28628

List of positive integer factors of 28628 that divides 28623 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 28623 and 28628. The biggest common factor number is the GCF number.
So the greatest common factor 28623 and 28628 is 1.

Also check out the Least Common Multiple of 28623 and 28628