Greatest Common Factor of 289/645, 7990/4168

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 289/645, 7990/4168

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 289/645,7990/4168

Given fractions are 289/645,7990/4168

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 289,7990

Greatest Common Factor of Numerators i.e. GCF of 289,7990 is 17 .

LCM of Denominators means LCM of 645,4168 as per the given fractions.

LCM of 645,4168 is 2688360 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 289,7990

GCF of Fractions 289/645,7990/4168 is 17/2688360

17 289, 7990
17, 470

∴ So the GCF of the given numbers is 17 = 17

Greatest Common Factor of 289,7990 By Matching Biggest Common Factor Method

Greatest Common Factor of 289,7990 By Matching Biggest Common Factor Method

Factors of 289

List of positive integer factors of 289 that divides 289 without a remainder.

1,17,289

Factors of 7990

List of positive integer factors of 7990 that divides 7990 without a remainder.

1,2,5,10,17,34,47,85,94,170,235,470,799,1598,3995,7990

Greatest Common Factor

We found the factors 289,7990 . The biggest common factor number is the GCF number.
So the greatest common factor 289,7990 is 17.


Lets's calculate LCM of 645,4168

Given numbers has no common factors except 1. So, there LCM is their product i.e 2688360

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 17/2688360

Therefore, the GCF of Fractions 289/645,7990/4168 is 17/2688360

Least Common Multiple of 645,4168 with GCF Formula

Least Common Multiple of 645,4168 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 645,4168 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(645,4168) = 1

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

GCF(645,4168) x common factors =1 x 1 = 1

LCM(645,4168) = ( 645 × 4168 ) / 1

LCM(645,4168) = 2688360 / 1

LCM(645,4168) = 2688360


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 289/645, 7990/4168

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 289/645, 7990/4168?

Answer: GCF of Numerators as per given numbers 289/645, 7990/4168 is

GCF of Numerators i.e. for 289,7990 is 17

LCM of denominators i.e. for 645,4168 is 2688360.

Thus, GCF of Fractions is 17/2688360.Finally, GCF of Fractions for 289/645, 7990/4168 is 17/2688360.