Greatest Common Factor of 72/407, 57/990, 842/678

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 72/407, 57/990, 842/678

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 72/407,57/990,842/678

Given fractions are 72/407,57/990,842/678

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 72,57,842

Greatest Common Factor of Numerators i.e. GCF of 72,57,842 is 1 .

LCM of Denominators means LCM of 407,990,678 as per the given fractions.

LCM of 407,990,678 is 4139190 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 72,57,842

GCF of Fractions 72/407,57/990,842/678 is 1/4139190

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

Greatest Common Factor of 72,57,842 By Matching Biggest Common Factor Method

Greatest Common Factor of 72,57,842 By Matching Biggest Common Factor Method

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 842

List of positive integer factors of 842 that divides 842 without a remainder.

1,2,421,842

Greatest Common Factor

We found the factors 72,57,842 . The biggest common factor number is the GCF number.
So the greatest common factor 72,57,842 is 1.


Lets's calculate LCM of 407,990,678

2 407, 990, 678
3 407, 495, 339
11 407, 165, 113
37, 15, 113

∴ So the LCM of the given numbers is 2 x 3 x 11 x 37 x 15 x 113 = 4139190

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/4139190

Therefore, the GCF of Fractions 72/407,57/990,842/678 is 1/4139190

Least Common Multiple of 407,990,678 with GCF Formula

Least Common Multiple of 407,990,678 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 407,990,678 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(407,990,678) = 1

common factors(in case of two or more numbers have common factors) = 66

GCF(407,990,678) x common factors =1 x 66 = 66

LCM(407,990,678) = ( 407 × 990 × 678 ) / 66

LCM(407,990,678) = 273186540 / 66

LCM(407,990,678) = 4139190


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 72/407, 57/990, 842/678

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 72/407, 57/990, 842/678?

Answer: GCF of Numerators as per given numbers 72/407, 57/990, 842/678 is

GCF of Numerators i.e. for 72,57,842 is 1

LCM of denominators i.e. for 407,990,678 is 4139190.

Thus, GCF of Fractions is 1/4139190.Finally, GCF of Fractions for 72/407, 57/990, 842/678 is 1/4139190.