What is the Greatest Common Factor of 91821 and 91836?

Greatest common factor (GCF) of 91821 and 91836 is 3.

GCF(91821,91836) = 3

We will now calculate the prime factors of 91821 and 91836, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91821 and 91836.

How to find the GCF of 91821 and 91836?

We will first find the prime factorization of 91821 and 91836. After we will calculate the factors of 91821 and 91836 and find the biggest common factor number .

Step-1: Prime Factorization of 91821

Prime factors of 91821 are 3, 127, 241. Prime factorization of 91821 in exponential form is:

91821 = 3¹ × 127¹ × 241¹

Step-2: Prime Factorization of 91836

Prime factors of 91836 are 2, 3, 2551. Prime factorization of 91836 in exponential form is:

91836 = 2² × 3² × 2551¹

Step-3: Factors of 91821

List of positive integer factors of 91821 that divides 91821 without a remainder.

1, 3, 127, 241, 381, 723, 30607

Step-4: Factors of 91836

List of positive integer factors of 91836 that divides 91821 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2551, 5102, 7653, 10204, 15306, 22959, 30612, 45918

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91821 and 91836. The biggest common factor number is the GCF number.
So the greatest common factor 91821 and 91836 is 3.

Also check out the Least Common Multiple of 91821 and 91836