What is the Greatest Common Factor of 42393 and 42399?

Greatest common factor (GCF) of 42393 and 42399 is 3.

GCF(42393,42399) = 3

We will now calculate the prime factors of 42393 and 42399, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42393 and 42399.

How to find the GCF of 42393 and 42399?

We will first find the prime factorization of 42393 and 42399. After we will calculate the factors of 42393 and 42399 and find the biggest common factor number .

Step-1: Prime Factorization of 42393

Prime factors of 42393 are 3, 13, 1087. Prime factorization of 42393 in exponential form is:

42393 = 3¹ × 13¹ × 1087¹

Step-2: Prime Factorization of 42399

Prime factors of 42399 are 3, 7, 673. Prime factorization of 42399 in exponential form is:

42399 = 3² × 7¹ × 673¹

Step-3: Factors of 42393

List of positive integer factors of 42393 that divides 42393 without a remainder.

1, 3, 13, 39, 1087, 3261, 14131

Step-4: Factors of 42399

List of positive integer factors of 42399 that divides 42393 without a remainder.

1, 3, 7, 9, 21, 63, 673, 2019, 4711, 6057, 14133

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42393 and 42399. The biggest common factor number is the GCF number.
So the greatest common factor 42393 and 42399 is 3.

Also check out the Least Common Multiple of 42393 and 42399