Greatest Common Factor of 306/78, 558/615

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 306/78, 558/615

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 306/78,558/615

Given fractions are 306/78,558/615

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 306,558

Greatest Common Factor of Numerators i.e. GCF of 306,558 is 18 .

LCM of Denominators means LCM of 78,615 as per the given fractions.

LCM of 78,615 is 15990 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 306,558

GCF of Fractions 306/78,558/615 is 18/15990

2 306, 558
3 153, 279
3 51, 93
17, 31

∴ So the GCF of the given numbers is 2 x 3 x 3 = 18

Greatest Common Factor of 306,558 By Matching Biggest Common Factor Method

Greatest Common Factor of 306,558 By Matching Biggest Common Factor Method

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Factors of 558

List of positive integer factors of 558 that divides 558 without a remainder.

1,2,3,6,9,18,31,62,93,186,279,558

Greatest Common Factor

We found the factors 306,558 . The biggest common factor number is the GCF number.
So the greatest common factor 306,558 is 18.


Lets's calculate LCM of 78,615

3 78, 615
26, 205

∴ So the LCM of the given numbers is 3 x 26 x 205 = 15990

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 18/15990

Therefore, the GCF of Fractions 306/78,558/615 is 18/15990

Least Common Multiple of 78,615 with GCF Formula

Least Common Multiple of 78,615 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 78,615 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(78,615) = 3

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

GCF(78,615) x common factors =3 x 1 = 3

LCM(78,615) = ( 78 × 615 ) / 3

LCM(78,615) = 47970 / 3

LCM(78,615) = 15990


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 306/78, 558/615

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 306/78, 558/615?

Answer: GCF of Numerators as per given numbers 306/78, 558/615 is

GCF of Numerators i.e. for 306,558 is 18

LCM of denominators i.e. for 78,615 is 15990.

Thus, GCF of Fractions is 18/15990.Finally, GCF of Fractions for 306/78, 558/615 is 18/15990.