Greatest Common Factor of 684/296, 640/405

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 684/296, 640/405

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 684/296,640/405

Given fractions are 684/296,640/405

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 684,640

Greatest Common Factor of Numerators i.e. GCF of 684,640 is 4 .

LCM of Denominators means LCM of 296,405 as per the given fractions.

LCM of 296,405 is 119880 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 684,640

GCF of Fractions 684/296,640/405 is 4/119880

2 684, 640
2 342, 320
171, 160

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

Greatest Common Factor of 684,640 By Matching Biggest Common Factor Method

Greatest Common Factor of 684,640 By Matching Biggest Common Factor Method

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 684,640 . The biggest common factor number is the GCF number.
So the greatest common factor 684,640 is 4.


Lets's calculate LCM of 296,405

Given numbers has no common factors except 1. So, there LCM is their product i.e 119880

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/119880

Therefore, the GCF of Fractions 684/296,640/405 is 4/119880

Least Common Multiple of 296,405 with GCF Formula

Least Common Multiple of 296,405 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 296,405 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(296,405) = 1

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

GCF(296,405) x common factors =1 x 1 = 1

LCM(296,405) = ( 296 × 405 ) / 1

LCM(296,405) = 119880 / 1

LCM(296,405) = 119880


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 684/296, 640/405

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 684/296, 640/405?

Answer: GCF of Numerators as per given numbers 684/296, 640/405 is

GCF of Numerators i.e. for 684,640 is 4

LCM of denominators i.e. for 296,405 is 119880.

Thus, GCF of Fractions is 4/119880.Finally, GCF of Fractions for 684/296, 640/405 is 4/119880.