What is the Greatest Common Factor of 81501 and 81513?

Greatest common factor (GCF) of 81501 and 81513 is 3.

GCF(81501,81513) = 3

We will now calculate the prime factors of 81501 and 81513, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81501 and 81513.

How to find the GCF of 81501 and 81513?

We will first find the prime factorization of 81501 and 81513. After we will calculate the factors of 81501 and 81513 and find the biggest common factor number .

Step-1: Prime Factorization of 81501

Prime factors of 81501 are 3, 7, 3881. Prime factorization of 81501 in exponential form is:

81501 = 3¹ × 7¹ × 3881¹

Step-2: Prime Factorization of 81513

Prime factors of 81513 are 3, 3019. Prime factorization of 81513 in exponential form is:

81513 = 3³ × 3019¹

Step-3: Factors of 81501

List of positive integer factors of 81501 that divides 81501 without a remainder.

1, 3, 7, 21, 3881, 11643, 27167

Step-4: Factors of 81513

List of positive integer factors of 81513 that divides 81501 without a remainder.

1, 3, 9, 27, 3019, 9057, 27171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81501 and 81513. The biggest common factor number is the GCF number.
So the greatest common factor 81501 and 81513 is 3.

Also check out the Least Common Multiple of 81501 and 81513