Greatest Common Factor of 81/11, 15/457, 636/493

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 81/11, 15/457, 636/493

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 81/11,15/457,636/493

Given fractions are 81/11,15/457,636/493

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 81,15,636

Greatest Common Factor of Numerators i.e. GCF of 81,15,636 is 3 .

LCM of Denominators means LCM of 11,457,493 as per the given fractions.

LCM of 11,457,493 is 2478311 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 81,15,636

GCF of Fractions 81/11,15/457,636/493 is 3/2478311

3 81, 15, 636
27, 5, 212

∴ So the GCF of the given numbers is 3 = 3

Greatest Common Factor of 81,15,636 By Matching Biggest Common Factor Method

Greatest Common Factor of 81,15,636 By Matching Biggest Common Factor Method

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 636

List of positive integer factors of 636 that divides 636 without a remainder.

1,2,3,4,6,12,53,106,159,212,318,636

Greatest Common Factor

We found the factors 81,15,636 . The biggest common factor number is the GCF number.
So the greatest common factor 81,15,636 is 3.


Lets's calculate LCM of 11,457,493

Given numbers has no common factors except 1. So, there LCM is their product i.e 2478311

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/2478311

Therefore, the GCF of Fractions 81/11,15/457,636/493 is 3/2478311

Least Common Multiple of 11,457,493 with GCF Formula

Least Common Multiple of 11,457,493 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 11,457,493 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(11,457,493) = 1

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

GCF(11,457,493) x common factors =1 x 1 = 1

LCM(11,457,493) = ( 11 × 457 × 493 ) / 1

LCM(11,457,493) = 2478311 / 1

LCM(11,457,493) = 2478311


GCF of Fractions Calculation Examples

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Frequently Asked Questions on Fractional GCF of 81/11, 15/457, 636/493

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 81/11, 15/457, 636/493?

Answer: GCF of Numerators as per given numbers 81/11, 15/457, 636/493 is

GCF of Numerators i.e. for 81,15,636 is 3

LCM of denominators i.e. for 11,457,493 is 2478311.

Thus, GCF of Fractions is 3/2478311.Finally, GCF of Fractions for 81/11, 15/457, 636/493 is 3/2478311.