What is the Greatest Common Factor of 78620 and 78631?

Greatest common factor (GCF) of 78620 and 78631 is 1.

GCF(78620,78631) = 1

We will now calculate the prime factors of 78620 and 78631, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78620 and 78631.

How to find the GCF of 78620 and 78631?

We will first find the prime factorization of 78620 and 78631. After we will calculate the factors of 78620 and 78631 and find the biggest common factor number .

Step-1: Prime Factorization of 78620

Prime factors of 78620 are 2, 5, 3931. Prime factorization of 78620 in exponential form is:

78620 = 2² × 5¹ × 3931¹

Step-2: Prime Factorization of 78631

Prime factors of 78631 are 7, 47, 239. Prime factorization of 78631 in exponential form is:

78631 = 7¹ × 47¹ × 239¹

Step-3: Factors of 78620

List of positive integer factors of 78620 that divides 78620 without a remainder.

1, 2, 4, 5, 10, 20, 3931, 7862, 15724, 19655, 39310

Step-4: Factors of 78631

List of positive integer factors of 78631 that divides 78620 without a remainder.

1, 7, 47, 239, 329, 1673, 11233

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78620 and 78631. The biggest common factor number is the GCF number.
So the greatest common factor 78620 and 78631 is 1.

Also check out the Least Common Multiple of 78620 and 78631