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GCF of 521/691, 261/784

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 521/691, 261/784 i.e 1/541744 easily. The following is the detailed procedure to determine the greatest common factor of fractions 521/691, 261/784.

Enter two or more fractions separated by "commas"

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

GCF of:

What is the GCF of 521/691,261/784?

Given fractions are 521/691,261/784

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 521/691,261/784, numerators are 521,261

Denominators are 691,784

The GCF of 521,261 is 1 .

LCM of 691,784 is 541744.

The greatest common factor of 521/691,261/784 = [GCF of 521,261]/[LCM of 691,784]= 1/541744

Therefore, the GCF of 521/691,261/784 is 1/541744.

Greatest Common Factor of 521,261

To find the highest common factor of 521,261, we have to find the factors of both numbers and list the highest common factor.

The factors of 521 are 1, 521

The factors of 261 are 1, 3, 9, 29, 87, 261

The HCF of 521,261 is 1.

Lets's calculate GCF of 521,261

Greatest Common Factor (GCF) of 521,261 By Common Division

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

Greatest Common Factor of 521,261 By Matching Biggest Common Factor Method

Greatest Common Factor of 521,261 By Matching Biggest Common Factor Method

Now, list down the factors of 521

:

1,521

Now, list down the factors of 261

:

1,3,9,29,87,261

Greatest Common Factor

We found the factors 521,261 . The biggest common factor number is the GCF number.
So the greatest common factor 521,261 is 1.

Lets's calculate LCM of 691,784

Lowest Common Multiple of 691,784 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 541744

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/541744

Therefore, the GCF of Fractions 521/691,261/784 is 1/541744

Least Common Multiple of 691,784 with GCF Formula

Least Common Multiple of 691,784 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 691,784 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(691,784) = 1

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

GCF(691,784) x common factors =1 x 1 = 1

LCM(691,784) = ( 691 × 784 ) / 1

LCM(691,784) = 541744 / 1

LCM(691,784) = 541744


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FAQs on GCF of Fractions of 521/691, 261/784

1. What is the HCF of 521,261?

The HCF of 521,261 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 521/691, 261/784?

Answer: GCF of Numerators as per given numbers 521/691, 261/784 is

GCF of Numerators i.e. for 521,261 is 1

LCM of denominators i.e. for 691,784 is 541744.

Thus, GCF of Fractions is 1/541744.Finally, GCF of Fractions for 521/691, 261/784 is 1/541744.