Greatest Common Factor of 756/42, 389/7870

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 756/42, 389/7870

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 756/42,389/7870

Given fractions are 756/42,389/7870

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 756,389

Greatest Common Factor of Numerators i.e. GCF of 756,389 is 1 .

LCM of Denominators means LCM of 42,7870 as per the given fractions.

LCM of 42,7870 is 165270 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 756,389

GCF of Fractions 756/42,389/7870 is 1/165270

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

Greatest Common Factor of 756,389 By Matching Biggest Common Factor Method

Greatest Common Factor of 756,389 By Matching Biggest Common Factor Method

Factors of 756

List of positive integer factors of 756 that divides 756 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,27,28,36,42,54,63,84,108,126,189,252,378,756

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors 756,389 . The biggest common factor number is the GCF number.
So the greatest common factor 756,389 is 1.


Lets's calculate LCM of 42,7870

2 42, 7870
21, 3935

∴ So the LCM of the given numbers is 2 x 21 x 3935 = 165270

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/165270

Therefore, the GCF of Fractions 756/42,389/7870 is 1/165270

Least Common Multiple of 42,7870 with GCF Formula

Least Common Multiple of 42,7870 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 42,7870 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(42,7870) = 2

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

GCF(42,7870) x common factors =2 x 1 = 2

LCM(42,7870) = ( 42 × 7870 ) / 2

LCM(42,7870) = 330540 / 2

LCM(42,7870) = 165270


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 756/42, 389/7870

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 756/42, 389/7870?

Answer: GCF of Numerators as per given numbers 756/42, 389/7870 is

GCF of Numerators i.e. for 756,389 is 1

LCM of denominators i.e. for 42,7870 is 165270.

Thus, GCF of Fractions is 1/165270.Finally, GCF of Fractions for 756/42, 389/7870 is 1/165270.