Greatest Common Factor of 66/638, 61/542, 220/266

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 66/638, 61/542, 220/266

Enter two or more fractions separated by "commas"

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

GCF of:

Greatest Common Factor of 66/638,61/542,220/266

Given fractions are 66/638,61/542,220/266

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 66,61,220

Greatest Common Factor of Numerators i.e. GCF of 66,61,220 is 1 .

LCM of Denominators means LCM of 638,542,266 as per the given fractions.

LCM of 638,542,266 is 22995434 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 66,61,220

GCF of Fractions 66/638,61/542,220/266 is 1/22995434

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

Greatest Common Factor of 66,61,220 By Matching Biggest Common Factor Method

Greatest Common Factor of 66,61,220 By Matching Biggest Common Factor Method

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Greatest Common Factor

We found the factors 66,61,220 . The biggest common factor number is the GCF number.
So the greatest common factor 66,61,220 is 1.


Lets's calculate LCM of 638,542,266

2 638, 542, 266
319, 271, 133

∴ So the LCM of the given numbers is 2 x 319 x 271 x 133 = 22995434

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/22995434

Therefore, the GCF of Fractions 66/638,61/542,220/266 is 1/22995434

Least Common Multiple of 638,542,266 with GCF Formula

Least Common Multiple of 638,542,266 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 638,542,266 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(638,542,266) = 2

common factors(in case of two or more numbers have common factors) = 2

GCF(638,542,266) x common factors =2 x 2 = 4

LCM(638,542,266) = ( 638 × 542 × 266 ) / 4

LCM(638,542,266) = 91981736 / 4

LCM(638,542,266) = 22995434


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 66/638, 61/542, 220/266

1. 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.

2. What is the GCF of Fractions for 66/638, 61/542, 220/266?

Answer: GCF of Numerators as per given numbers 66/638, 61/542, 220/266 is

GCF of Numerators i.e. for 66,61,220 is 1

LCM of denominators i.e. for 638,542,266 is 22995434.

Thus, GCF of Fractions is 1/22995434.Finally, GCF of Fractions for 66/638, 61/542, 220/266 is 1/22995434.