Greatest Common Factor of 784/639, 646/893, 478/931

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 784/639, 646/893, 478/931

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 784/639,646/893,478/931

Given fractions are 784/639,646/893,478/931

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 784,646,478

Greatest Common Factor of Numerators i.e. GCF of 784,646,478 is 2 .

LCM of Denominators means LCM of 639,893,931 as per the given fractions.

LCM of 639,893,931 is 27960723 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 784,646,478

GCF of Fractions 784/639,646/893,478/931 is 2/27960723

2 784, 646, 478
392, 323, 239

∴ So the GCF of the given numbers is 2 = 2

Greatest Common Factor of 784,646,478 By Matching Biggest Common Factor Method

Greatest Common Factor of 784,646,478 By Matching Biggest Common Factor Method

Factors of 784

List of positive integer factors of 784 that divides 784 without a remainder.

1,2,4,7,8,14,16,28,49,56,98,112,196,392,784

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 478

List of positive integer factors of 478 that divides 478 without a remainder.

1,2,239,478

Greatest Common Factor

We found the factors 784,646,478 . The biggest common factor number is the GCF number.
So the greatest common factor 784,646,478 is 2.


Lets's calculate LCM of 639,893,931

19 639, 893, 931
639, 47, 49

∴ So the LCM of the given numbers is 19 x 639 x 47 x 49 = 27960723

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/27960723

Therefore, the GCF of Fractions 784/639,646/893,478/931 is 2/27960723

Least Common Multiple of 639,893,931 with GCF Formula

Least Common Multiple of 639,893,931 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 639,893,931 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(639,893,931) = 1

common factors(in case of two or more numbers have common factors) = 19

GCF(639,893,931) x common factors =1 x 19 = 19

LCM(639,893,931) = ( 639 × 893 × 931 ) / 19

LCM(639,893,931) = 531253737 / 19

LCM(639,893,931) = 27960723


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 784/639, 646/893, 478/931

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 784/639, 646/893, 478/931?

Answer: GCF of Numerators as per given numbers 784/639, 646/893, 478/931 is

GCF of Numerators i.e. for 784,646,478 is 2

LCM of denominators i.e. for 639,893,931 is 27960723.

Thus, GCF of Fractions is 2/27960723.Finally, GCF of Fractions for 784/639, 646/893, 478/931 is 2/27960723.