Greatest Common Factor of 61/789, 490/357

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 61/789, 490/357

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 61/789,490/357

Given fractions are 61/789,490/357

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 61,490

Greatest Common Factor of Numerators i.e. GCF of 61,490 is 1 .

LCM of Denominators means LCM of 789,357 as per the given fractions.

LCM of 789,357 is 93891 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 61,490

GCF of Fractions 61/789,490/357 is 1/93891

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

Greatest Common Factor of 61,490 By Matching Biggest Common Factor Method

Greatest Common Factor of 61,490 By Matching Biggest Common Factor Method

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

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 61,490 . The biggest common factor number is the GCF number.
So the greatest common factor 61,490 is 1.


Lets's calculate LCM of 789,357

3 789, 357
263, 119

∴ So the LCM of the given numbers is 3 x 263 x 119 = 93891

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/93891

Therefore, the GCF of Fractions 61/789,490/357 is 1/93891

Least Common Multiple of 789,357 with GCF Formula

Least Common Multiple of 789,357 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 789,357 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(789,357) = 3

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

GCF(789,357) x common factors =3 x 1 = 3

LCM(789,357) = ( 789 × 357 ) / 3

LCM(789,357) = 281673 / 3

LCM(789,357) = 93891


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 61/789, 490/357

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 61/789, 490/357?

Answer: GCF of Numerators as per given numbers 61/789, 490/357 is

GCF of Numerators i.e. for 61,490 is 1

LCM of denominators i.e. for 789,357 is 93891.

Thus, GCF of Fractions is 1/93891.Finally, GCF of Fractions for 61/789, 490/357 is 1/93891.