Greatest Common Factor of 781/45, 729/87, 447/221

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 781/45, 729/87, 447/221

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 781/45,729/87,447/221

Given fractions are 781/45,729/87,447/221

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 781,729,447

Greatest Common Factor of Numerators i.e. GCF of 781,729,447 is 1 .

LCM of Denominators means LCM of 45,87,221 as per the given fractions.

LCM of 45,87,221 is 288405 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 781,729,447

GCF of Fractions 781/45,729/87,447/221 is 1/288405

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

Greatest Common Factor of 781,729,447 By Matching Biggest Common Factor Method

Greatest Common Factor of 781,729,447 By Matching Biggest Common Factor Method

Factors of 781

List of positive integer factors of 781 that divides 781 without a remainder.

1,11,71,781

Factors of 729

List of positive integer factors of 729 that divides 729 without a remainder.

1,3,9,27,81,243,729

Factors of 447

List of positive integer factors of 447 that divides 447 without a remainder.

1,3,149,447

Greatest Common Factor

We found the factors 781,729,447 . The biggest common factor number is the GCF number.
So the greatest common factor 781,729,447 is 1.


Lets's calculate LCM of 45,87,221

3 45, 87, 221
15, 29, 221

∴ So the LCM of the given numbers is 3 x 15 x 29 x 221 = 288405

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/288405

Therefore, the GCF of Fractions 781/45,729/87,447/221 is 1/288405

Least Common Multiple of 45,87,221 with GCF Formula

Least Common Multiple of 45,87,221 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 45,87,221 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(45,87,221) = 1

common factors(in case of two or more numbers have common factors) = 3

GCF(45,87,221) x common factors =1 x 3 = 3

LCM(45,87,221) = ( 45 × 87 × 221 ) / 3

LCM(45,87,221) = 865215 / 3

LCM(45,87,221) = 288405


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 781/45, 729/87, 447/221

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 781/45, 729/87, 447/221?

Answer: GCF of Numerators as per given numbers 781/45, 729/87, 447/221 is

GCF of Numerators i.e. for 781,729,447 is 1

LCM of denominators i.e. for 45,87,221 is 288405.

Thus, GCF of Fractions is 1/288405.Finally, GCF of Fractions for 781/45, 729/87, 447/221 is 1/288405.