GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28623 and 28643?

Greatest common factor (GCF) of 28623 and 28643 is 1.

GCF(28623,28643) = 1

We will now calculate the prime factors of 28623 and 28643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28623 and 28643.

GCF Calculator and
and

How to find the GCF of 28623 and 28643?

We will first find the prime factorization of 28623 and 28643. After we will calculate the factors of 28623 and 28643 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 28643

Prime factors of 28643 are 28643. Prime factorization of 28643 in exponential form is:

28643 = 286431

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 28643

List of positive integer factors of 28643 that divides 28623 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28623 and 28643. The biggest common factor number is the GCF number.
So the greatest common factor 28623 and 28643 is 1.

Also check out the Least Common Multiple of 28623 and 28643