What is the Greatest Common Factor of 78770 and 78786?

Greatest common factor (GCF) of 78770 and 78786 is 2.

GCF(78770,78786) = 2

We will now calculate the prime factors of 78770 and 78786, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78770 and 78786.

How to find the GCF of 78770 and 78786?

We will first find the prime factorization of 78770 and 78786. After we will calculate the factors of 78770 and 78786 and find the biggest common factor number .

Step-1: Prime Factorization of 78770

Prime factors of 78770 are 2, 5, 7877. Prime factorization of 78770 in exponential form is:

78770 = 2¹ × 5¹ × 7877¹

Step-2: Prime Factorization of 78786

Prime factors of 78786 are 2, 3, 1459. Prime factorization of 78786 in exponential form is:

78786 = 2¹ × 3³ × 1459¹

Step-3: Factors of 78770

List of positive integer factors of 78770 that divides 78770 without a remainder.

1, 2, 5, 10, 7877, 15754, 39385

Step-4: Factors of 78786

List of positive integer factors of 78786 that divides 78770 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 1459, 2918, 4377, 8754, 13131, 26262, 39393

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78770 and 78786. The biggest common factor number is the GCF number.
So the greatest common factor 78770 and 78786 is 2.

Also check out the Least Common Multiple of 78770 and 78786