What is the Greatest Common Factor of 51885 and 51890?

Greatest common factor (GCF) of 51885 and 51890 is 5.

GCF(51885,51890) = 5

We will now calculate the prime factors of 51885 and 51890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51885 and 51890.

How to find the GCF of 51885 and 51890?

We will first find the prime factorization of 51885 and 51890. After we will calculate the factors of 51885 and 51890 and find the biggest common factor number .

Step-1: Prime Factorization of 51885

Prime factors of 51885 are 3, 5, 1153. Prime factorization of 51885 in exponential form is:

51885 = 3² × 5¹ × 1153¹

Step-2: Prime Factorization of 51890

Prime factors of 51890 are 2, 5, 5189. Prime factorization of 51890 in exponential form is:

51890 = 2¹ × 5¹ × 5189¹

Step-3: Factors of 51885

List of positive integer factors of 51885 that divides 51885 without a remainder.

1, 3, 5, 9, 15, 45, 1153, 3459, 5765, 10377, 17295

Step-4: Factors of 51890

List of positive integer factors of 51890 that divides 51885 without a remainder.

1, 2, 5, 10, 5189, 10378, 25945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51885 and 51890. The biggest common factor number is the GCF number.
So the greatest common factor 51885 and 51890 is 5.

Also check out the Least Common Multiple of 51885 and 51890