How to Find GCF of 661/173, 480/686?

GCF of 661/173, 480/686

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 661/173, 480/686 i.e 1/118678 easily. The following is the detailed procedure to determine the greatest common factor of fractions 661/173, 480/686.

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 661/173,480/686?

Given fractions are 661/173,480/686

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 661/173,480/686, numerators are 661,480

Denominators are 173,686

The GCF of 661,480 is 1 .

LCM of 173,686 is 118678.

The greatest common factor of 661/173,480/686 = [GCF of 661,480]/[LCM of 173,686]= 1/118678

Therefore, the GCF of 661/173,480/686 is 1/118678.

Greatest Common Factor of 661,480

To find the highest common factor of 661,480, 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 480 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480

The HCF of 661,480 is 1.

Lets's calculate GCF of 661,480

Greatest Common Factor (GCF) of 661,480 By Common Division

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

Greatest Common Factor of 661,480 By Matching Biggest Common Factor Method

Now, list down the factors of 661

1,661

Now, list down the factors of 480

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Greatest Common Factor

We found the factors 661,480 . The biggest common factor number is the GCF number.
So the greatest common factor 661,480 is 1.

Lets's calculate LCM of 173,686

Lowest Common Multiple of 173,686 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 118678

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/118678

Therefore, the GCF of Fractions 661/173,480/686 is 1/118678

Least Common Multiple of 173,686 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 173,686 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(173,686) = 1

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

GCF(173,686) x common factors =1 x 1 = 1

LCM(173,686) = ( 173 × 686 ) / 1

LCM(173,686) = 118678 / 1

LCM(173,686) = 118678

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FAQs on GCF of Fractions of 661/173, 480/686

1. What is the HCF of 661,480?

The HCF of 661,480 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 661/173, 480/686?

Answer: GCF of Numerators as per given numbers 661/173, 480/686 is

GCF of Numerators i.e. for 661,480 is 1

LCM of denominators i.e. for 173,686 is 118678.

Thus, GCF of Fractions is 1/118678.Finally, GCF of Fractions for 661/173, 480/686 is 1/118678.