What is the Greatest Common Factor of 86505 and 86521?

Greatest common factor (GCF) of 86505 and 86521 is 1.

GCF(86505,86521) = 1

We will now calculate the prime factors of 86505 and 86521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86505 and 86521.

How to find the GCF of 86505 and 86521?

We will first find the prime factorization of 86505 and 86521. After we will calculate the factors of 86505 and 86521 and find the biggest common factor number .

Step-1: Prime Factorization of 86505

Prime factors of 86505 are 3, 5, 73, 79. Prime factorization of 86505 in exponential form is:

86505 = 3¹ × 5¹ × 73¹ × 79¹

Step-2: Prime Factorization of 86521

Prime factors of 86521 are 31, 2791. Prime factorization of 86521 in exponential form is:

86521 = 31¹ × 2791¹

Step-3: Factors of 86505

List of positive integer factors of 86505 that divides 86505 without a remainder.

1, 3, 5, 15, 73, 79, 219, 237, 365, 395, 1095, 1185, 5767, 17301, 28835

Step-4: Factors of 86521

List of positive integer factors of 86521 that divides 86505 without a remainder.

1, 31, 2791

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86505 and 86521. The biggest common factor number is the GCF number.
So the greatest common factor 86505 and 86521 is 1.

Also check out the Least Common Multiple of 86505 and 86521