Greatest Common Factor of 428/649, 368/142

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 428/649, 368/142

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 428/649,368/142

Given fractions are 428/649,368/142

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 428,368

Greatest Common Factor of Numerators i.e. GCF of 428,368 is 4 .

LCM of Denominators means LCM of 649,142 as per the given fractions.

LCM of 649,142 is 92158 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 428,368

GCF of Fractions 428/649,368/142 is 4/92158

2 428, 368
2 214, 184
107, 92

∴ So the GCF of the given numbers is 2 x 2 = 4

Greatest Common Factor of 428,368 By Matching Biggest Common Factor Method

Greatest Common Factor of 428,368 By Matching Biggest Common Factor Method

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Factors of 368

List of positive integer factors of 368 that divides 368 without a remainder.

1,2,4,8,16,23,46,92,184,368

Greatest Common Factor

We found the factors 428,368 . The biggest common factor number is the GCF number.
So the greatest common factor 428,368 is 4.


Lets's calculate LCM of 649,142

Given numbers has no common factors except 1. So, there LCM is their product i.e 92158

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/92158

Therefore, the GCF of Fractions 428/649,368/142 is 4/92158

Least Common Multiple of 649,142 with GCF Formula

Least Common Multiple of 649,142 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 649,142 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(649,142) = 1

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

GCF(649,142) x common factors =1 x 1 = 1

LCM(649,142) = ( 649 × 142 ) / 1

LCM(649,142) = 92158 / 1

LCM(649,142) = 92158


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 428/649, 368/142

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 428/649, 368/142?

Answer: GCF of Numerators as per given numbers 428/649, 368/142 is

GCF of Numerators i.e. for 428,368 is 4

LCM of denominators i.e. for 649,142 is 92158.

Thus, GCF of Fractions is 4/92158.Finally, GCF of Fractions for 428/649, 368/142 is 4/92158.