What is the Greatest Common Factor of 78342 and 78359?

Greatest common factor (GCF) of 78342 and 78359 is 1.

GCF(78342,78359) = 1

We will now calculate the prime factors of 78342 and 78359, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78342 and 78359.

How to find the GCF of 78342 and 78359?

We will first find the prime factorization of 78342 and 78359. After we will calculate the factors of 78342 and 78359 and find the biggest common factor number .

Step-1: Prime Factorization of 78342

Prime factors of 78342 are 2, 3, 11, 1187. Prime factorization of 78342 in exponential form is:

78342 = 2¹ × 3¹ × 11¹ × 1187¹

Step-2: Prime Factorization of 78359

Prime factors of 78359 are 127, 617. Prime factorization of 78359 in exponential form is:

78359 = 127¹ × 617¹

Step-3: Factors of 78342

List of positive integer factors of 78342 that divides 78342 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 1187, 2374, 3561, 7122, 13057, 26114, 39171

Step-4: Factors of 78359

List of positive integer factors of 78359 that divides 78342 without a remainder.

1, 127, 617

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78342 and 78359. The biggest common factor number is the GCF number.
So the greatest common factor 78342 and 78359 is 1.

Also check out the Least Common Multiple of 78342 and 78359