What is the Greatest Common Factor of 51990 and 51999?

Greatest common factor (GCF) of 51990 and 51999 is 3.

GCF(51990,51999) = 3

We will now calculate the prime factors of 51990 and 51999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51990 and 51999.

How to find the GCF of 51990 and 51999?

We will first find the prime factorization of 51990 and 51999. After we will calculate the factors of 51990 and 51999 and find the biggest common factor number .

Step-1: Prime Factorization of 51990

Prime factors of 51990 are 2, 3, 5, 1733. Prime factorization of 51990 in exponential form is:

51990 = 2¹ × 3¹ × 5¹ × 1733¹

Step-2: Prime Factorization of 51999

Prime factors of 51999 are 3, 17333. Prime factorization of 51999 in exponential form is:

51999 = 3¹ × 17333¹

Step-3: Factors of 51990

List of positive integer factors of 51990 that divides 51990 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1733, 3466, 5199, 8665, 10398, 17330, 25995

Step-4: Factors of 51999

List of positive integer factors of 51999 that divides 51990 without a remainder.

1, 3, 17333

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51990 and 51999. The biggest common factor number is the GCF number.
So the greatest common factor 51990 and 51999 is 3.

Also check out the Least Common Multiple of 51990 and 51999