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GCF of 669/721, 459/391

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 669/721, 459/391 i.e 3/281911 easily. The following is the detailed procedure to determine the greatest common factor of fractions 669/721, 459/391.

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 669/721,459/391?

Given fractions are 669/721,459/391

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 669/721,459/391, numerators are 669,459

Denominators are 721,391

The GCF of 669,459 is 3 .

LCM of 721,391 is 281911.

The greatest common factor of 669/721,459/391 = [GCF of 669,459]/[LCM of 721,391]= 3/281911

Therefore, the GCF of 669/721,459/391 is 3/281911.

Greatest Common Factor of 669,459

To find the highest common factor of 669,459, we have to find the factors of both numbers and list the highest common factor.

The factors of 669 are 1, 3, 223, 669

The factors of 459 are 1, 3, 9, 17, 27, 51, 153, 459

The HCF of 669,459 is 3.

Lets's calculate GCF of 669,459

Greatest Common Factor (GCF) of 669,459 By Common Division

3 669, 459
223, 153

∴ So the GCF of the given numbers is 3 = 3

Greatest Common Factor of 669,459 By Matching Biggest Common Factor Method

Greatest Common Factor of 669,459 By Matching Biggest Common Factor Method

Now, list down the factors of 669

:

1,3,223,669

Now, list down the factors of 459

:

1,3,9,17,27,51,153,459

Greatest Common Factor

We found the factors 669,459 . The biggest common factor number is the GCF number.
So the greatest common factor 669,459 is 3.

Lets's calculate LCM of 721,391

Lowest Common Multiple of 721,391 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 281911

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/281911

Therefore, the GCF of Fractions 669/721,459/391 is 3/281911

Least Common Multiple of 721,391 with GCF Formula

Least Common Multiple of 721,391 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 721,391 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(721,391) = 1

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

GCF(721,391) x common factors =1 x 1 = 1

LCM(721,391) = ( 721 × 391 ) / 1

LCM(721,391) = 281911 / 1

LCM(721,391) = 281911


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FAQs on GCF of Fractions of 669/721, 459/391

1. What is the HCF of 669,459?

The HCF of 669,459 is 3

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 669/721, 459/391?

Answer: GCF of Numerators as per given numbers 669/721, 459/391 is

GCF of Numerators i.e. for 669,459 is 3

LCM of denominators i.e. for 721,391 is 281911.

Thus, GCF of Fractions is 3/281911.Finally, GCF of Fractions for 669/721, 459/391 is 3/281911.