Greatest Common Factor of 31/85, 89/91, 936/663

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 31/85, 89/91, 936/663

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 31/85,89/91,936/663

Given fractions are 31/85,89/91,936/663

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 31,89,936

Greatest Common Factor of Numerators i.e. GCF of 31,89,936 is 1 .

LCM of Denominators means LCM of 85,91,663 as per the given fractions.

LCM of 85,91,663 is 23205 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 31,89,936

GCF of Fractions 31/85,89/91,936/663 is 1/23205

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

Greatest Common Factor of 31,89,936 By Matching Biggest Common Factor Method

Greatest Common Factor of 31,89,936 By Matching Biggest Common Factor Method

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 936

List of positive integer factors of 936 that divides 936 without a remainder.

1,2,3,4,6,8,9,12,13,18,24,26,36,39,52,72,78,104,117,156,234,312,468,936

Greatest Common Factor

We found the factors 31,89,936 . The biggest common factor number is the GCF number.
So the greatest common factor 31,89,936 is 1.


Lets's calculate LCM of 85,91,663

13 85, 91, 663
17 85, 7, 51
5, 7, 3

∴ So the LCM of the given numbers is 13 x 17 x 5 x 7 x 3 = 23205

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/23205

Therefore, the GCF of Fractions 31/85,89/91,936/663 is 1/23205

Least Common Multiple of 85,91,663 with GCF Formula

Least Common Multiple of 85,91,663 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 85,91,663 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(85,91,663) = 1

common factors(in case of two or more numbers have common factors) = 221

GCF(85,91,663) x common factors =1 x 221 = 221

LCM(85,91,663) = ( 85 × 91 × 663 ) / 221

LCM(85,91,663) = 5128305 / 221

LCM(85,91,663) = 23205


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 31/85, 89/91, 936/663

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 31/85, 89/91, 936/663?

Answer: GCF of Numerators as per given numbers 31/85, 89/91, 936/663 is

GCF of Numerators i.e. for 31,89,936 is 1

LCM of denominators i.e. for 85,91,663 is 23205.

Thus, GCF of Fractions is 1/23205.Finally, GCF of Fractions for 31/85, 89/91, 936/663 is 1/23205.