Greatest Common Factor of 7815/665, 1990/9605

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 7815/665, 1990/9605

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 7815/665,1990/9605

Given fractions are 7815/665,1990/9605

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 7815,1990

Greatest Common Factor of Numerators i.e. GCF of 7815,1990 is 5 .

LCM of Denominators means LCM of 665,9605 as per the given fractions.

LCM of 665,9605 is 1277465 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 7815,1990

GCF of Fractions 7815/665,1990/9605 is 5/1277465

5 7815, 1990
1563, 398

∴ So the GCF of the given numbers is 5 = 5

Greatest Common Factor of 7815,1990 By Matching Biggest Common Factor Method

Greatest Common Factor of 7815,1990 By Matching Biggest Common Factor Method

Factors of 7815

List of positive integer factors of 7815 that divides 7815 without a remainder.

1,3,5,15,521,1563,2605,7815

Factors of 1990

List of positive integer factors of 1990 that divides 1990 without a remainder.

1,2,5,10,199,398,995,1990

Greatest Common Factor

We found the factors 7815,1990 . The biggest common factor number is the GCF number.
So the greatest common factor 7815,1990 is 5.


Lets's calculate LCM of 665,9605

5 665, 9605
133, 1921

∴ So the LCM of the given numbers is 5 x 133 x 1921 = 1277465

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 5/1277465

Therefore, the GCF of Fractions 7815/665,1990/9605 is 5/1277465

Least Common Multiple of 665,9605 with GCF Formula

Least Common Multiple of 665,9605 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 665,9605 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(665,9605) = 5

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

GCF(665,9605) x common factors =5 x 1 = 5

LCM(665,9605) = ( 665 × 9605 ) / 5

LCM(665,9605) = 6387325 / 5

LCM(665,9605) = 1277465


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 7815/665, 1990/9605

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 7815/665, 1990/9605?

Answer: GCF of Numerators as per given numbers 7815/665, 1990/9605 is

GCF of Numerators i.e. for 7815,1990 is 5

LCM of denominators i.e. for 665,9605 is 1277465.

Thus, GCF of Fractions is 5/1277465.Finally, GCF of Fractions for 7815/665, 1990/9605 is 5/1277465.