Greatest Common Factor of 91/39, 729/78, 781/772

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 91/39, 729/78, 781/772

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 91/39,729/78,781/772

Given fractions are 91/39,729/78,781/772

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 91,729,781

Greatest Common Factor of Numerators i.e. GCF of 91,729,781 is 1 .

LCM of Denominators means LCM of 39,78,772 as per the given fractions.

LCM of 39,78,772 is 30108 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 91,729,781

GCF of Fractions 91/39,729/78,781/772 is 1/30108

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

Greatest Common Factor of 91,729,781 By Matching Biggest Common Factor Method

Greatest Common Factor of 91,729,781 By Matching Biggest Common Factor Method

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 729

List of positive integer factors of 729 that divides 729 without a remainder.

1,3,9,27,81,243,729

Factors of 781

List of positive integer factors of 781 that divides 781 without a remainder.

1,11,71,781

Greatest Common Factor

We found the factors 91,729,781 . The biggest common factor number is the GCF number.
So the greatest common factor 91,729,781 is 1.


Lets's calculate LCM of 39,78,772

2 39, 78, 772
3 39, 39, 386
13 13, 13, 386
1, 1, 386

∴ So the LCM of the given numbers is 2 x 3 x 13 x 1 x 1 x 386 = 30108

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/30108

Therefore, the GCF of Fractions 91/39,729/78,781/772 is 1/30108

Least Common Multiple of 39,78,772 with GCF Formula

Least Common Multiple of 39,78,772 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 39,78,772 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(39,78,772) = 1

common factors(in case of two or more numbers have common factors) = 78

GCF(39,78,772) x common factors =1 x 78 = 78

LCM(39,78,772) = ( 39 × 78 × 772 ) / 78

LCM(39,78,772) = 2348424 / 78

LCM(39,78,772) = 30108


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 91/39, 729/78, 781/772

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 91/39, 729/78, 781/772?

Answer: GCF of Numerators as per given numbers 91/39, 729/78, 781/772 is

GCF of Numerators i.e. for 91,729,781 is 1

LCM of denominators i.e. for 39,78,772 is 30108.

Thus, GCF of Fractions is 1/30108.Finally, GCF of Fractions for 91/39, 729/78, 781/772 is 1/30108.