Greatest Common Factor of 392/81, 920/178

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 392/81, 920/178

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 392/81,920/178

Given fractions are 392/81,920/178

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 392,920

Greatest Common Factor of Numerators i.e. GCF of 392,920 is 8 .

LCM of Denominators means LCM of 81,178 as per the given fractions.

LCM of 81,178 is 14418 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 392,920

GCF of Fractions 392/81,920/178 is 8/14418

2 392, 920
2 196, 460
2 98, 230
49, 115

∴ So the GCF of the given numbers is 2 x 2 x 2 = 8

Greatest Common Factor of 392,920 By Matching Biggest Common Factor Method

Greatest Common Factor of 392,920 By Matching Biggest Common Factor Method

Factors of 392

List of positive integer factors of 392 that divides 392 without a remainder.

1,2,4,7,8,14,28,49,56,98,196,392

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Greatest Common Factor

We found the factors 392,920 . The biggest common factor number is the GCF number.
So the greatest common factor 392,920 is 8.


Lets's calculate LCM of 81,178

Given numbers has no common factors except 1. So, there LCM is their product i.e 14418

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 8/14418

Therefore, the GCF of Fractions 392/81,920/178 is 8/14418

Least Common Multiple of 81,178 with GCF Formula

Least Common Multiple of 81,178 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 81,178 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(81,178) = 1

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

GCF(81,178) x common factors =1 x 1 = 1

LCM(81,178) = ( 81 × 178 ) / 1

LCM(81,178) = 14418 / 1

LCM(81,178) = 14418


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 392/81, 920/178

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 392/81, 920/178?

Answer: GCF of Numerators as per given numbers 392/81, 920/178 is

GCF of Numerators i.e. for 392,920 is 8

LCM of denominators i.e. for 81,178 is 14418.

Thus, GCF of Fractions is 8/14418.Finally, GCF of Fractions for 392/81, 920/178 is 8/14418.