Greatest Common Factor of 21/724, 86/124, 561/912

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 21/724, 86/124, 561/912

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 21/724,86/124,561/912

Given fractions are 21/724,86/124,561/912

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 21,86,561

Greatest Common Factor of Numerators i.e. GCF of 21,86,561 is 1 .

LCM of Denominators means LCM of 724,124,912 as per the given fractions.

LCM of 724,124,912 is 5117232 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 21,86,561

GCF of Fractions 21/724,86/124,561/912 is 1/5117232

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

Greatest Common Factor of 21,86,561 By Matching Biggest Common Factor Method

Greatest Common Factor of 21,86,561 By Matching Biggest Common Factor Method

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 21,86,561 . The biggest common factor number is the GCF number.
So the greatest common factor 21,86,561 is 1.

Lets's calculate LCM of 724,124,912

2 724, 124, 912
2 362, 62, 456
181, 31, 228

∴ So the LCM of the given numbers is 2 x 2 x 181 x 31 x 228 = 5117232

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/5117232

Therefore, the GCF of Fractions 21/724,86/124,561/912 is 1/5117232

Least Common Multiple of 724,124,912 with GCF Formula

Least Common Multiple of 724,124,912 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 724,124,912 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(724,124,912) = 4

common factors(in case of two or more numbers have common factors) = 4

GCF(724,124,912) x common factors =4 x 4 = 16

LCM(724,124,912) = ( 724 × 124 × 912 ) / 16

LCM(724,124,912) = 81875712 / 16

LCM(724,124,912) = 5117232


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

Frequently Asked Questions on Fractional GCF of 21/724, 86/124, 561/912

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 21/724, 86/124, 561/912?

Answer: GCF of Numerators as per given numbers 21/724, 86/124, 561/912 is

GCF of Numerators i.e. for 21,86,561 is 1

LCM of denominators i.e. for 724,124,912 is 5117232.

Thus, GCF of Fractions is 1/5117232.Finally, GCF of Fractions for 21/724, 86/124, 561/912 is 1/5117232.