What is the Greatest Common Factor of 81069 and 81078?

Greatest common factor (GCF) of 81069 and 81078 is 3.

GCF(81069,81078) = 3

We will now calculate the prime factors of 81069 and 81078, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81069 and 81078.

How to find the GCF of 81069 and 81078?

We will first find the prime factorization of 81069 and 81078. After we will calculate the factors of 81069 and 81078 and find the biggest common factor number .

Step-1: Prime Factorization of 81069

Prime factors of 81069 are 3, 61, 443. Prime factorization of 81069 in exponential form is:

81069 = 3¹ × 61¹ × 443¹

Step-2: Prime Factorization of 81078

Prime factors of 81078 are 2, 3, 13513. Prime factorization of 81078 in exponential form is:

81078 = 2¹ × 3¹ × 13513¹

Step-3: Factors of 81069

List of positive integer factors of 81069 that divides 81069 without a remainder.

1, 3, 61, 183, 443, 1329, 27023

Step-4: Factors of 81078

List of positive integer factors of 81078 that divides 81069 without a remainder.

1, 2, 3, 6, 13513, 27026, 40539

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81069 and 81078. The biggest common factor number is the GCF number.
So the greatest common factor 81069 and 81078 is 3.

Also check out the Least Common Multiple of 81069 and 81078