What is the Greatest Common Factor of 99855 and 99872?

Greatest common factor (GCF) of 99855 and 99872 is 1.

GCF(99855,99872) = 1

We will now calculate the prime factors of 99855 and 99872, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99855 and 99872.

How to find the GCF of 99855 and 99872?

We will first find the prime factorization of 99855 and 99872. After we will calculate the factors of 99855 and 99872 and find the biggest common factor number .

Step-1: Prime Factorization of 99855

Prime factors of 99855 are 3, 5, 7, 317. Prime factorization of 99855 in exponential form is:

99855 = 3² × 5¹ × 7¹ × 317¹

Step-2: Prime Factorization of 99872

Prime factors of 99872 are 2, 3121. Prime factorization of 99872 in exponential form is:

99872 = 2⁵ × 3121¹

Step-3: Factors of 99855

List of positive integer factors of 99855 that divides 99855 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 317, 951, 1585, 2219, 2853, 4755, 6657, 11095, 14265, 19971, 33285

Step-4: Factors of 99872

List of positive integer factors of 99872 that divides 99855 without a remainder.

1, 2, 4, 8, 16, 32, 3121, 6242, 12484, 24968, 49936

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99855 and 99872. The biggest common factor number is the GCF number.
So the greatest common factor 99855 and 99872 is 1.

Also check out the Least Common Multiple of 99855 and 99872