What is the Greatest Common Factor of 78111 and 78123?

Greatest common factor (GCF) of 78111 and 78123 is 3.

GCF(78111,78123) = 3

We will now calculate the prime factors of 78111 and 78123, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78111 and 78123.

How to find the GCF of 78111 and 78123?

We will first find the prime factorization of 78111 and 78123. After we will calculate the factors of 78111 and 78123 and find the biggest common factor number .

Step-1: Prime Factorization of 78111

Prime factors of 78111 are 3, 11, 263. Prime factorization of 78111 in exponential form is:

78111 = 3³ × 11¹ × 263¹

Step-2: Prime Factorization of 78123

Prime factors of 78123 are 3, 26041. Prime factorization of 78123 in exponential form is:

78123 = 3¹ × 26041¹

Step-3: Factors of 78111

List of positive integer factors of 78111 that divides 78111 without a remainder.

1, 3, 9, 11, 27, 33, 99, 263, 297, 789, 2367, 2893, 7101, 8679, 26037

Step-4: Factors of 78123

List of positive integer factors of 78123 that divides 78111 without a remainder.

1, 3, 26041

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78111 and 78123. The biggest common factor number is the GCF number.
So the greatest common factor 78111 and 78123 is 3.

Also check out the Least Common Multiple of 78111 and 78123