What is the Greatest Common Factor of 86409 and 86427?

Greatest common factor (GCF) of 86409 and 86427 is 9.

GCF(86409,86427) = 9

We will now calculate the prime factors of 86409 and 86427, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86409 and 86427.

How to find the GCF of 86409 and 86427?

We will first find the prime factorization of 86409 and 86427. After we will calculate the factors of 86409 and 86427 and find the biggest common factor number .

Step-1: Prime Factorization of 86409

Prime factors of 86409 are 3, 9601. Prime factorization of 86409 in exponential form is:

86409 = 3² × 9601¹

Step-2: Prime Factorization of 86427

Prime factors of 86427 are 3, 11, 97. Prime factorization of 86427 in exponential form is:

86427 = 3⁴ × 11¹ × 97¹

Step-3: Factors of 86409

List of positive integer factors of 86409 that divides 86409 without a remainder.

1, 3, 9, 9601, 28803

Step-4: Factors of 86427

List of positive integer factors of 86427 that divides 86409 without a remainder.

1, 3, 9, 11, 27, 33, 81, 97, 99, 291, 297, 873, 891, 1067, 2619, 3201, 7857, 9603, 28809

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86409 and 86427. The biggest common factor number is the GCF number.
So the greatest common factor 86409 and 86427 is 9.

Also check out the Least Common Multiple of 86409 and 86427