What is the Greatest Common Factor of 47439 and 47451?

Greatest common factor (GCF) of 47439 and 47451 is 3.

GCF(47439,47451) = 3

We will now calculate the prime factors of 47439 and 47451, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47439 and 47451.

How to find the GCF of 47439 and 47451?

We will first find the prime factorization of 47439 and 47451. After we will calculate the factors of 47439 and 47451 and find the biggest common factor number .

Step-1: Prime Factorization of 47439

Prime factors of 47439 are 3, 7, 251. Prime factorization of 47439 in exponential form is:

47439 = 3³ × 7¹ × 251¹

Step-2: Prime Factorization of 47451

Prime factors of 47451 are 3, 15817. Prime factorization of 47451 in exponential form is:

47451 = 3¹ × 15817¹

Step-3: Factors of 47439

List of positive integer factors of 47439 that divides 47439 without a remainder.

1, 3, 7, 9, 21, 27, 63, 189, 251, 753, 1757, 2259, 5271, 6777, 15813

Step-4: Factors of 47451

List of positive integer factors of 47451 that divides 47439 without a remainder.

1, 3, 15817

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47439 and 47451. The biggest common factor number is the GCF number.
So the greatest common factor 47439 and 47451 is 3.

Also check out the Least Common Multiple of 47439 and 47451