What is the Greatest Common Factor of 78425 and 78439?

Greatest common factor (GCF) of 78425 and 78439 is 1.

GCF(78425,78439) = 1

We will now calculate the prime factors of 78425 and 78439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78425 and 78439.

How to find the GCF of 78425 and 78439?

We will first find the prime factorization of 78425 and 78439. After we will calculate the factors of 78425 and 78439 and find the biggest common factor number .

Step-1: Prime Factorization of 78425

Prime factors of 78425 are 5, 3137. Prime factorization of 78425 in exponential form is:

78425 = 5² × 3137¹

Step-2: Prime Factorization of 78439

Prime factors of 78439 are 78439. Prime factorization of 78439 in exponential form is:

78439 = 78439¹

Step-3: Factors of 78425

List of positive integer factors of 78425 that divides 78425 without a remainder.

1, 5, 25, 3137, 15685

Step-4: Factors of 78439

List of positive integer factors of 78439 that divides 78425 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78425 and 78439. The biggest common factor number is the GCF number.
So the greatest common factor 78425 and 78439 is 1.

Also check out the Least Common Multiple of 78425 and 78439