How to Find GCF of 691/47, 990/291?

GCF of 691/47, 990/291

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Use our free GCF of Fractions Calculator tool to compute the GCF of 691/47, 990/291 i.e 1/13677 easily. The following is the detailed procedure to determine the greatest common factor of fractions 691/47, 990/291.

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

What is the GCF of 691/47,990/291?

Given fractions are 691/47,990/291

To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by

GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators

In the fractions 691/47,990/291, numerators are 691,990

Denominators are 47,291

The GCF of 691,990 is 1 .

LCM of 47,291 is 13677.

The greatest common factor of 691/47,990/291 = [GCF of 691,990]/[LCM of 47,291]= 1/13677

Therefore, the GCF of 691/47,990/291 is 1/13677.

Greatest Common Factor of 691,990

To find the highest common factor of 691,990, we have to find the factors of both numbers and list the highest common factor.

The factors of 691 are 1, 691

The factors of 990 are 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990

The HCF of 691,990 is 1.

Lets's calculate GCF of 691,990

Greatest Common Factor (GCF) of 691,990 By Common Division

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

Greatest Common Factor of 691,990 By Matching Biggest Common Factor Method

Now, list down the factors of 691

1,691

Now, list down the factors of 990

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 691,990 . The biggest common factor number is the GCF number.
So the greatest common factor 691,990 is 1.

Lets's calculate LCM of 47,291

Lowest Common Multiple of 47,291 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 13677

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/13677

Therefore, the GCF of Fractions 691/47,990/291 is 1/13677

Least Common Multiple of 47,291 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 47,291 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(47,291) = 1

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

GCF(47,291) x common factors =1 x 1 = 1

LCM(47,291) = ( 47 × 291 ) / 1

LCM(47,291) = 13677 / 1

LCM(47,291) = 13677

GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

FAQs on GCF of Fractions of 691/47, 990/291

1. What is the HCF of 691,990?

The HCF of 691,990 is 1

2. What is the GCF of a fraction?

The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.

3. 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.

4. What is the GCF of Fractions for 691/47, 990/291?

Answer: GCF of Numerators as per given numbers 691/47, 990/291 is

GCF of Numerators i.e. for 691,990 is 1

LCM of denominators i.e. for 47,291 is 13677.

Thus, GCF of Fractions is 1/13677.Finally, GCF of Fractions for 691/47, 990/291 is 1/13677.