Greatest Common Factor of 81/43, 80/639, 300/791

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 81/43, 80/639, 300/791

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 81/43,80/639,300/791

Given fractions are 81/43,80/639,300/791

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 81,80,300

Greatest Common Factor of Numerators i.e. GCF of 81,80,300 is 1 .

LCM of Denominators means LCM of 43,639,791 as per the given fractions.

LCM of 43,639,791 is 21734307 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 81,80,300

GCF of Fractions 81/43,80/639,300/791 is 1/21734307

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

Greatest Common Factor of 81,80,300 By Matching Biggest Common Factor Method

Greatest Common Factor of 81,80,300 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 300

List of positive integer factors of 300 that divides 300 without a remainder.

1,2,3,4,5,6,10,12,15,20,25,30,50,60,75,100,150,300

Greatest Common Factor

We found the factors 81,80,300 . The biggest common factor number is the GCF number.
So the greatest common factor 81,80,300 is 1.


Lets's calculate LCM of 43,639,791

Given numbers has no common factors except 1. So, there LCM is their product i.e 21734307

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/21734307

Therefore, the GCF of Fractions 81/43,80/639,300/791 is 1/21734307

Least Common Multiple of 43,639,791 with GCF Formula

Least Common Multiple of 43,639,791 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 43,639,791 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(43,639,791) = 1

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

GCF(43,639,791) x common factors =1 x 1 = 1

LCM(43,639,791) = ( 43 × 639 × 791 ) / 1

LCM(43,639,791) = 21734307 / 1

LCM(43,639,791) = 21734307


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 81/43, 80/639, 300/791

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 81/43, 80/639, 300/791?

Answer: GCF of Numerators as per given numbers 81/43, 80/639, 300/791 is

GCF of Numerators i.e. for 81,80,300 is 1

LCM of denominators i.e. for 43,639,791 is 21734307.

Thus, GCF of Fractions is 1/21734307.Finally, GCF of Fractions for 81/43, 80/639, 300/791 is 1/21734307.