What is the Greatest Common Factor of 78651 and 78658?

Greatest common factor (GCF) of 78651 and 78658 is 1.

GCF(78651,78658) = 1

We will now calculate the prime factors of 78651 and 78658, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78651 and 78658.

How to find the GCF of 78651 and 78658?

We will first find the prime factorization of 78651 and 78658. After we will calculate the factors of 78651 and 78658 and find the biggest common factor number .

Step-1: Prime Factorization of 78651

Prime factors of 78651 are 3, 971. Prime factorization of 78651 in exponential form is:

78651 = 3⁴ × 971¹

Step-2: Prime Factorization of 78658

Prime factors of 78658 are 2, 67, 587. Prime factorization of 78658 in exponential form is:

78658 = 2¹ × 67¹ × 587¹

Step-3: Factors of 78651

List of positive integer factors of 78651 that divides 78651 without a remainder.

1, 3, 9, 27, 81, 971, 2913, 8739, 26217

Step-4: Factors of 78658

List of positive integer factors of 78658 that divides 78651 without a remainder.

1, 2, 67, 134, 587, 1174, 39329

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78651 and 78658. The biggest common factor number is the GCF number.
So the greatest common factor 78651 and 78658 is 1.

Also check out the Least Common Multiple of 78651 and 78658