Greatest Common Factor of 83/298, 20/990, 513/645

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 83/298, 20/990, 513/645

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 83/298,20/990,513/645

Given fractions are 83/298,20/990,513/645

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 83,20,513

Greatest Common Factor of Numerators i.e. GCF of 83,20,513 is 1 .

LCM of Denominators means LCM of 298,990,645 as per the given fractions.

LCM of 298,990,645 is 6342930 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 83,20,513

GCF of Fractions 83/298,20/990,513/645 is 1/6342930

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

Greatest Common Factor of 83,20,513 By Matching Biggest Common Factor Method

Greatest Common Factor of 83,20,513 By Matching Biggest Common Factor Method

Factors of 83

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

1,83

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 513

List of positive integer factors of 513 that divides 513 without a remainder.

1,3,9,19,27,57,171,513

Greatest Common Factor

We found the factors 83,20,513 . The biggest common factor number is the GCF number.
So the greatest common factor 83,20,513 is 1.


Lets's calculate LCM of 298,990,645

2 298, 990, 645
3 149, 495, 645
5 149, 165, 215
149, 33, 43

∴ So the LCM of the given numbers is 2 x 3 x 5 x 149 x 33 x 43 = 6342930

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/6342930

Therefore, the GCF of Fractions 83/298,20/990,513/645 is 1/6342930

Least Common Multiple of 298,990,645 with GCF Formula

Least Common Multiple of 298,990,645 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 298,990,645 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(298,990,645) = 1

common factors(in case of two or more numbers have common factors) = 30

GCF(298,990,645) x common factors =1 x 30 = 30

LCM(298,990,645) = ( 298 × 990 × 645 ) / 30

LCM(298,990,645) = 190287900 / 30

LCM(298,990,645) = 6342930


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 83/298, 20/990, 513/645

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 83/298, 20/990, 513/645?

Answer: GCF of Numerators as per given numbers 83/298, 20/990, 513/645 is

GCF of Numerators i.e. for 83,20,513 is 1

LCM of denominators i.e. for 298,990,645 is 6342930.

Thus, GCF of Fractions is 1/6342930.Finally, GCF of Fractions for 83/298, 20/990, 513/645 is 1/6342930.