Greatest Common Factor of 47/644, 512/391

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 47/644, 512/391

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

Greatest Common Factor of 47/644,512/391

Given fractions are 47/644,512/391

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 47,512

Greatest Common Factor of Numerators i.e. GCF of 47,512 is 1 .

LCM of Denominators means LCM of 644,391 as per the given fractions.

LCM of 644,391 is 10948 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 47,512

GCF of Fractions 47/644,512/391 is 1/10948

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 47,512 By Matching Biggest Common Factor Method

Greatest Common Factor of 47,512 By Matching Biggest Common Factor Method

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 512

List of positive integer factors of 512 that divides 512 without a remainder.

1,2,4,8,16,32,64,128,256,512

Greatest Common Factor

We found the factors 47,512 . The biggest common factor number is the GCF number.
So the greatest common factor 47,512 is 1.


Lets's calculate LCM of 644,391

23 644, 391
28, 17

∴ So the LCM of the given numbers is 23 x 28 x 17 = 10948

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/10948

Therefore, the GCF of Fractions 47/644,512/391 is 1/10948

Least Common Multiple of 644,391 with GCF Formula

Least Common Multiple of 644,391 with GCF Formula

The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 644,391 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(644,391) = 23

common factors(in case of two or more numbers have common factors) = 1

GCF(644,391) x common factors =23 x 1 = 23

LCM(644,391) = ( 644 × 391 ) / 23

LCM(644,391) = 251804 / 23

LCM(644,391) = 10948


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 47/644, 512/391

1. How to find GCF in Fractions?

Answer: GCF of fractions can be found using the simple formula GCF of Fractions = GCF of Numerators/LCM of Denominators.

2. What is the GCF of Fractions for 47/644, 512/391?

Answer: GCF of Numerators as per given numbers 47/644, 512/391 is

GCF of Numerators i.e. for 47,512 is 1

LCM of denominators i.e. for 644,391 is 10948.

Thus, GCF of Fractions is 1/10948.Finally, GCF of Fractions for 47/644, 512/391 is 1/10948.