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GCF of 661/77, 507/389

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 661/77, 507/389 i.e 1/29953 easily. The following is the detailed procedure to determine the greatest common factor of fractions 661/77, 507/389.

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 661/77,507/389?

Given fractions are 661/77,507/389

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 661/77,507/389, numerators are 661,507

Denominators are 77,389

The GCF of 661,507 is 1 .

LCM of 77,389 is 29953.

The greatest common factor of 661/77,507/389 = [GCF of 661,507]/[LCM of 77,389]= 1/29953

Therefore, the GCF of 661/77,507/389 is 1/29953.

Greatest Common Factor of 661,507

To find the highest common factor of 661,507, we have to find the factors of both numbers and list the highest common factor.

The factors of 661 are 1, 661

The factors of 507 are 1, 3, 13, 39, 169, 507

The HCF of 661,507 is 1.

Lets's calculate GCF of 661,507

Greatest Common Factor (GCF) of 661,507 By Common Division

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

Greatest Common Factor of 661,507 By Matching Biggest Common Factor Method

Greatest Common Factor of 661,507 By Matching Biggest Common Factor Method

Now, list down the factors of 661

:

1,661

Now, list down the factors of 507

:

1,3,13,39,169,507

Greatest Common Factor

We found the factors 661,507 . The biggest common factor number is the GCF number.
So the greatest common factor 661,507 is 1.

Lets's calculate LCM of 77,389

Lowest Common Multiple of 77,389 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 29953

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/29953

Therefore, the GCF of Fractions 661/77,507/389 is 1/29953

Least Common Multiple of 77,389 with GCF Formula

Least Common Multiple of 77,389 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 77,389 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(77,389) = 1

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

GCF(77,389) x common factors =1 x 1 = 1

LCM(77,389) = ( 77 × 389 ) / 1

LCM(77,389) = 29953 / 1

LCM(77,389) = 29953


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FAQs on GCF of Fractions of 661/77, 507/389

1. What is the HCF of 661,507?

The HCF of 661,507 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 661/77, 507/389?

Answer: GCF of Numerators as per given numbers 661/77, 507/389 is

GCF of Numerators i.e. for 661,507 is 1

LCM of denominators i.e. for 77,389 is 29953.

Thus, GCF of Fractions is 1/29953.Finally, GCF of Fractions for 661/77, 507/389 is 1/29953.