Greatest Common Factor of 399/289, 836/395

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 399/289, 836/395

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 399/289,836/395

Given fractions are 399/289,836/395

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 399,836

Greatest Common Factor of Numerators i.e. GCF of 399,836 is 19 .

LCM of Denominators means LCM of 289,395 as per the given fractions.

LCM of 289,395 is 114155 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 399,836

GCF of Fractions 399/289,836/395 is 19/114155

19 399, 836
21, 44

∴ So the GCF of the given numbers is 19 = 19

Greatest Common Factor of 399,836 By Matching Biggest Common Factor Method

Greatest Common Factor of 399,836 By Matching Biggest Common Factor Method

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 836

List of positive integer factors of 836 that divides 836 without a remainder.

1,2,4,11,19,22,38,44,76,209,418,836

Greatest Common Factor

We found the factors 399,836 . The biggest common factor number is the GCF number.
So the greatest common factor 399,836 is 19.


Lets's calculate LCM of 289,395

Given numbers has no common factors except 1. So, there LCM is their product i.e 114155

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 19/114155

Therefore, the GCF of Fractions 399/289,836/395 is 19/114155

Least Common Multiple of 289,395 with GCF Formula

Least Common Multiple of 289,395 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 289,395 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(289,395) = 1

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

GCF(289,395) x common factors =1 x 1 = 1

LCM(289,395) = ( 289 × 395 ) / 1

LCM(289,395) = 114155 / 1

LCM(289,395) = 114155


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 399/289, 836/395

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 399/289, 836/395?

Answer: GCF of Numerators as per given numbers 399/289, 836/395 is

GCF of Numerators i.e. for 399,836 is 19

LCM of denominators i.e. for 289,395 is 114155.

Thus, GCF of Fractions is 19/114155.Finally, GCF of Fractions for 399/289, 836/395 is 19/114155.