Greatest Common Factor of 688/987, 4786/728

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 688/987, 4786/728

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 688/987,4786/728

Given fractions are 688/987,4786/728

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 688,4786

Greatest Common Factor of Numerators i.e. GCF of 688,4786 is 2 .

LCM of Denominators means LCM of 987,728 as per the given fractions.

LCM of 987,728 is 102648 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 688,4786

GCF of Fractions 688/987,4786/728 is 2/102648

2 688, 4786
344, 2393

∴ So the GCF of the given numbers is 2 = 2

Greatest Common Factor of 688,4786 By Matching Biggest Common Factor Method

Greatest Common Factor of 688,4786 By Matching Biggest Common Factor Method

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Factors of 4786

List of positive integer factors of 4786 that divides 4786 without a remainder.

1,2,2393,4786

Greatest Common Factor

We found the factors 688,4786 . The biggest common factor number is the GCF number.
So the greatest common factor 688,4786 is 2.


Lets's calculate LCM of 987,728

7 987, 728
141, 104

∴ So the LCM of the given numbers is 7 x 141 x 104 = 102648

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/102648

Therefore, the GCF of Fractions 688/987,4786/728 is 2/102648

Least Common Multiple of 987,728 with GCF Formula

Least Common Multiple of 987,728 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 987,728 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(987,728) = 7

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

GCF(987,728) x common factors =7 x 1 = 7

LCM(987,728) = ( 987 × 728 ) / 7

LCM(987,728) = 718536 / 7

LCM(987,728) = 102648


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 688/987, 4786/728

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 688/987, 4786/728?

Answer: GCF of Numerators as per given numbers 688/987, 4786/728 is

GCF of Numerators i.e. for 688,4786 is 2

LCM of denominators i.e. for 987,728 is 102648.

Thus, GCF of Fractions is 2/102648.Finally, GCF of Fractions for 688/987, 4786/728 is 2/102648.