What is the Greatest Common Factor of 78444 and 78462?

Greatest common factor (GCF) of 78444 and 78462 is 18.

GCF(78444,78462) = 18

We will now calculate the prime factors of 78444 and 78462, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78444 and 78462.

How to find the GCF of 78444 and 78462?

We will first find the prime factorization of 78444 and 78462. After we will calculate the factors of 78444 and 78462 and find the biggest common factor number .

Step-1: Prime Factorization of 78444

Prime factors of 78444 are 2, 3, 2179. Prime factorization of 78444 in exponential form is:

78444 = 2² × 3² × 2179¹

Step-2: Prime Factorization of 78462

Prime factors of 78462 are 2, 3, 1453. Prime factorization of 78462 in exponential form is:

78462 = 2¹ × 3³ × 1453¹

Step-3: Factors of 78444

List of positive integer factors of 78444 that divides 78444 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2179, 4358, 6537, 8716, 13074, 19611, 26148, 39222

Step-4: Factors of 78462

List of positive integer factors of 78462 that divides 78444 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 1453, 2906, 4359, 8718, 13077, 26154, 39231

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78444 and 78462. The biggest common factor number is the GCF number.
So the greatest common factor 78444 and 78462 is 18.

Also check out the Least Common Multiple of 78444 and 78462