What is the Greatest Common Factor of 78047 and 78057?

Greatest common factor (GCF) of 78047 and 78057 is 1.

GCF(78047,78057) = 1

We will now calculate the prime factors of 78047 and 78057, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78047 and 78057.

How to find the GCF of 78047 and 78057?

We will first find the prime factorization of 78047 and 78057. After we will calculate the factors of 78047 and 78057 and find the biggest common factor number .

Step-1: Prime Factorization of 78047

Prime factors of 78047 are 17, 4591. Prime factorization of 78047 in exponential form is:

78047 = 17¹ × 4591¹

Step-2: Prime Factorization of 78057

Prime factors of 78057 are 3, 7, 59. Prime factorization of 78057 in exponential form is:

78057 = 3³ × 7² × 59¹

Step-3: Factors of 78047

List of positive integer factors of 78047 that divides 78047 without a remainder.

1, 17, 4591

Step-4: Factors of 78057

List of positive integer factors of 78057 that divides 78047 without a remainder.

1, 3, 7, 9, 21, 27, 49, 59, 63, 147, 177, 189, 413, 441, 531, 1239, 1323, 1593, 2891, 3717, 8673, 11151, 26019

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78047 and 78057. The biggest common factor number is the GCF number.
So the greatest common factor 78047 and 78057 is 1.

Also check out the Least Common Multiple of 78047 and 78057