Greatest Common Factor of 40/645, 156/286

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 40/645, 156/286

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 40/645,156/286

Given fractions are 40/645,156/286

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 40,156

Greatest Common Factor of Numerators i.e. GCF of 40,156 is 4 .

LCM of Denominators means LCM of 645,286 as per the given fractions.

LCM of 645,286 is 184470 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 40,156

GCF of Fractions 40/645,156/286 is 4/184470

2 40, 156
2 20, 78
10, 39

∴ So the GCF of the given numbers is 2 x 2 = 4

Greatest Common Factor of 40,156 By Matching Biggest Common Factor Method

Greatest Common Factor of 40,156 By Matching Biggest Common Factor Method

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 156

List of positive integer factors of 156 that divides 156 without a remainder.

1,2,3,4,6,12,13,26,39,52,78,156

Greatest Common Factor

We found the factors 40,156 . The biggest common factor number is the GCF number.
So the greatest common factor 40,156 is 4.


Lets's calculate LCM of 645,286

Given numbers has no common factors except 1. So, there LCM is their product i.e 184470

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/184470

Therefore, the GCF of Fractions 40/645,156/286 is 4/184470

Least Common Multiple of 645,286 with GCF Formula

Least Common Multiple of 645,286 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 645,286 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(645,286) = 1

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

GCF(645,286) x common factors =1 x 1 = 1

LCM(645,286) = ( 645 × 286 ) / 1

LCM(645,286) = 184470 / 1

LCM(645,286) = 184470


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 40/645, 156/286

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 40/645, 156/286?

Answer: GCF of Numerators as per given numbers 40/645, 156/286 is

GCF of Numerators i.e. for 40,156 is 4

LCM of denominators i.e. for 645,286 is 184470.

Thus, GCF of Fractions is 4/184470.Finally, GCF of Fractions for 40/645, 156/286 is 4/184470.