Greatest Common Factor of 78/61, 83/15, 79/899

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 78/61, 83/15, 79/899

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 78/61,83/15,79/899

Given fractions are 78/61,83/15,79/899

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 78,83,79

Greatest Common Factor of Numerators i.e. GCF of 78,83,79 is 1 .

LCM of Denominators means LCM of 61,15,899 as per the given fractions.

LCM of 61,15,899 is 822585 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 78,83,79

GCF of Fractions 78/61,83/15,79/899 is 1/822585

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

Greatest Common Factor of 78,83,79 By Matching Biggest Common Factor Method

Greatest Common Factor of 78,83,79 By Matching Biggest Common Factor Method

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Greatest Common Factor

We found the factors 78,83,79 . The biggest common factor number is the GCF number.
So the greatest common factor 78,83,79 is 1.


Lets's calculate LCM of 61,15,899

Given numbers has no common factors except 1. So, there LCM is their product i.e 822585

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/822585

Therefore, the GCF of Fractions 78/61,83/15,79/899 is 1/822585

Least Common Multiple of 61,15,899 with GCF Formula

Least Common Multiple of 61,15,899 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 61,15,899 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(61,15,899) = 1

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

GCF(61,15,899) x common factors =1 x 1 = 1

LCM(61,15,899) = ( 61 × 15 × 899 ) / 1

LCM(61,15,899) = 822585 / 1

LCM(61,15,899) = 822585


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 78/61, 83/15, 79/899

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 78/61, 83/15, 79/899?

Answer: GCF of Numerators as per given numbers 78/61, 83/15, 79/899 is

GCF of Numerators i.e. for 78,83,79 is 1

LCM of denominators i.e. for 61,15,899 is 822585.

Thus, GCF of Fractions is 1/822585.Finally, GCF of Fractions for 78/61, 83/15, 79/899 is 1/822585.