What is the Greatest Common Factor of 47130 and 47139?

Greatest common factor (GCF) of 47130 and 47139 is 3.

GCF(47130,47139) = 3

We will now calculate the prime factors of 47130 and 47139, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47130 and 47139.

How to find the GCF of 47130 and 47139?

We will first find the prime factorization of 47130 and 47139. After we will calculate the factors of 47130 and 47139 and find the biggest common factor number .

Step-1: Prime Factorization of 47130

Prime factors of 47130 are 2, 3, 5, 1571. Prime factorization of 47130 in exponential form is:

47130 = 2¹ × 3¹ × 5¹ × 1571¹

Step-2: Prime Factorization of 47139

Prime factors of 47139 are 3, 19, 827. Prime factorization of 47139 in exponential form is:

47139 = 3¹ × 19¹ × 827¹

Step-3: Factors of 47130

List of positive integer factors of 47130 that divides 47130 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1571, 3142, 4713, 7855, 9426, 15710, 23565

Step-4: Factors of 47139

List of positive integer factors of 47139 that divides 47130 without a remainder.

1, 3, 19, 57, 827, 2481, 15713

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47130 and 47139. The biggest common factor number is the GCF number.
So the greatest common factor 47130 and 47139 is 3.

Also check out the Least Common Multiple of 47130 and 47139