What is the Greatest Common Factor of 47859 and 47865?

Greatest common factor (GCF) of 47859 and 47865 is 3.

GCF(47859,47865) = 3

We will now calculate the prime factors of 47859 and 47865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47859 and 47865.

How to find the GCF of 47859 and 47865?

We will first find the prime factorization of 47859 and 47865. After we will calculate the factors of 47859 and 47865 and find the biggest common factor number .

Step-1: Prime Factorization of 47859

Prime factors of 47859 are 3, 7, 43, 53. Prime factorization of 47859 in exponential form is:

47859 = 3¹ × 7¹ × 43¹ × 53¹

Step-2: Prime Factorization of 47865

Prime factors of 47865 are 3, 5, 3191. Prime factorization of 47865 in exponential form is:

47865 = 3¹ × 5¹ × 3191¹

Step-3: Factors of 47859

List of positive integer factors of 47859 that divides 47859 without a remainder.

1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 903, 1113, 2279, 6837, 15953

Step-4: Factors of 47865

List of positive integer factors of 47865 that divides 47859 without a remainder.

1, 3, 5, 15, 3191, 9573, 15955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47859 and 47865. The biggest common factor number is the GCF number.
So the greatest common factor 47859 and 47865 is 3.

Also check out the Least Common Multiple of 47859 and 47865