GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28399 and 28413?

Greatest common factor (GCF) of 28399 and 28413 is 7.

GCF(28399,28413) = 7

We will now calculate the prime factors of 28399 and 28413, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28399 and 28413.

GCF Calculator and
and

How to find the GCF of 28399 and 28413?

We will first find the prime factorization of 28399 and 28413. After we will calculate the factors of 28399 and 28413 and find the biggest common factor number .

Step-1: Prime Factorization of 28399

Prime factors of 28399 are 7, 4057. Prime factorization of 28399 in exponential form is:

28399 = 71 × 40571

Step-2: Prime Factorization of 28413

Prime factors of 28413 are 3, 7, 11, 41. Prime factorization of 28413 in exponential form is:

28413 = 32 × 71 × 111 × 411

Step-3: Factors of 28399

List of positive integer factors of 28399 that divides 28399 without a remainder.

1, 7, 4057

Step-4: Factors of 28413

List of positive integer factors of 28413 that divides 28399 without a remainder.

1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 861, 1353, 2583, 3157, 4059, 9471

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28399 and 28413. The biggest common factor number is the GCF number.
So the greatest common factor 28399 and 28413 is 7.

Also check out the Least Common Multiple of 28399 and 28413