What is the Greatest Common Factor of 81825 and 81843?

Greatest common factor (GCF) of 81825 and 81843 is 3.

GCF(81825,81843) = 3

We will now calculate the prime factors of 81825 and 81843, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81825 and 81843.

How to find the GCF of 81825 and 81843?

We will first find the prime factorization of 81825 and 81843. After we will calculate the factors of 81825 and 81843 and find the biggest common factor number .

Step-1: Prime Factorization of 81825

Prime factors of 81825 are 3, 5, 1091. Prime factorization of 81825 in exponential form is:

81825 = 3¹ × 5² × 1091¹

Step-2: Prime Factorization of 81843

Prime factors of 81843 are 3, 27281. Prime factorization of 81843 in exponential form is:

81843 = 3¹ × 27281¹

Step-3: Factors of 81825

List of positive integer factors of 81825 that divides 81825 without a remainder.

1, 3, 5, 15, 25, 75, 1091, 3273, 5455, 16365, 27275

Step-4: Factors of 81843

List of positive integer factors of 81843 that divides 81825 without a remainder.

1, 3, 27281

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81825 and 81843. The biggest common factor number is the GCF number.
So the greatest common factor 81825 and 81843 is 3.

Also check out the Least Common Multiple of 81825 and 81843