What is the Greatest Common Factor of 99981 and 99993?

Greatest common factor (GCF) of 99981 and 99993 is 3.

GCF(99981,99993) = 3

We will now calculate the prime factors of 99981 and 99993, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99981 and 99993.

How to find the GCF of 99981 and 99993?

We will first find the prime factorization of 99981 and 99993. After we will calculate the factors of 99981 and 99993 and find the biggest common factor number .

Step-1: Prime Factorization of 99981

Prime factors of 99981 are 3, 7, 23. Prime factorization of 99981 in exponential form is:

99981 = 3³ × 7¹ × 23²

Step-2: Prime Factorization of 99993

Prime factors of 99993 are 3, 33331. Prime factorization of 99993 in exponential form is:

99993 = 3¹ × 33331¹

Step-3: Factors of 99981

List of positive integer factors of 99981 that divides 99981 without a remainder.

1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 529, 621, 1449, 1587, 3703, 4347, 4761, 11109, 14283, 33327

Step-4: Factors of 99993

List of positive integer factors of 99993 that divides 99981 without a remainder.

1, 3, 33331

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99981 and 99993. The biggest common factor number is the GCF number.
So the greatest common factor 99981 and 99993 is 3.

Also check out the Least Common Multiple of 99981 and 99993