What is the Greatest Common Factor of 9843 and 9861?

Greatest common factor (GCF) of 9843 and 9861 is 3.

GCF(9843,9861) = 3

We will now calculate the prime factors of 9843 and 9861, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9843 and 9861.

How to find the GCF of 9843 and 9861?

We will first find the prime factorization of 9843 and 9861. After we will calculate the factors of 9843 and 9861 and find the biggest common factor number .

Step-1: Prime Factorization of 9843

Prime factors of 9843 are 3, 17, 193. Prime factorization of 9843 in exponential form is:

9843 = 3¹ × 17¹ × 193¹

Step-2: Prime Factorization of 9861

Prime factors of 9861 are 3, 19, 173. Prime factorization of 9861 in exponential form is:

9861 = 3¹ × 19¹ × 173¹

Step-3: Factors of 9843

List of positive integer factors of 9843 that divides 9843 without a remainder.

1, 3, 17, 51, 193, 579, 3281

Step-4: Factors of 9861

List of positive integer factors of 9861 that divides 9843 without a remainder.

1, 3, 19, 57, 173, 519, 3287

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9843 and 9861. The biggest common factor number is the GCF number.
So the greatest common factor 9843 and 9861 is 3.

Also check out the Least Common Multiple of 9843 and 9861