Greatest Common Factor of 861/655, 490/634

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 861/655, 490/634

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 861/655,490/634

Given fractions are 861/655,490/634

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 861,490

Greatest Common Factor of Numerators i.e. GCF of 861,490 is 7 .

LCM of Denominators means LCM of 655,634 as per the given fractions.

LCM of 655,634 is 415270 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 861,490

GCF of Fractions 861/655,490/634 is 7/415270

7 861, 490
123, 70

∴ So the GCF of the given numbers is 7 = 7

Greatest Common Factor of 861,490 By Matching Biggest Common Factor Method

Greatest Common Factor of 861,490 By Matching Biggest Common Factor Method

Factors of 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors 861,490 . The biggest common factor number is the GCF number.
So the greatest common factor 861,490 is 7.

Lets's calculate LCM of 655,634

Given numbers has no common factors except 1. So, there LCM is their product i.e 415270

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 7/415270

Therefore, the GCF of Fractions 861/655,490/634 is 7/415270

Least Common Multiple of 655,634 with GCF Formula

Least Common Multiple of 655,634 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 655,634 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(655,634) = 1

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

GCF(655,634) x common factors =1 x 1 = 1

LCM(655,634) = ( 655 × 634 ) / 1

LCM(655,634) = 415270 / 1

LCM(655,634) = 415270


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

Frequently Asked Questions on Fractional GCF of 861/655, 490/634

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 861/655, 490/634?

Answer: GCF of Numerators as per given numbers 861/655, 490/634 is

GCF of Numerators i.e. for 861,490 is 7

LCM of denominators i.e. for 655,634 is 415270.

Thus, GCF of Fractions is 7/415270.Finally, GCF of Fractions for 861/655, 490/634 is 7/415270.