Greatest Common Factor of 455/691, 4121/581

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 455/691, 4121/581

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 455/691,4121/581

Given fractions are 455/691,4121/581

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 455,4121

Greatest Common Factor of Numerators i.e. GCF of 455,4121 is 13 .

LCM of Denominators means LCM of 691,581 as per the given fractions.

LCM of 691,581 is 401471 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 455,4121

GCF of Fractions 455/691,4121/581 is 13/401471

13 455, 4121
35, 317

∴ So the GCF of the given numbers is 13 = 13

Greatest Common Factor of 455,4121 By Matching Biggest Common Factor Method

Greatest Common Factor of 455,4121 By Matching Biggest Common Factor Method

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 4121

List of positive integer factors of 4121 that divides 4121 without a remainder.

1,13,317,4121

Greatest Common Factor

We found the factors 455,4121 . The biggest common factor number is the GCF number.
So the greatest common factor 455,4121 is 13.


Lets's calculate LCM of 691,581

Given numbers has no common factors except 1. So, there LCM is their product i.e 401471

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 13/401471

Therefore, the GCF of Fractions 455/691,4121/581 is 13/401471

Least Common Multiple of 691,581 with GCF Formula

Least Common Multiple of 691,581 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 691,581 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(691,581) = 1

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

GCF(691,581) x common factors =1 x 1 = 1

LCM(691,581) = ( 691 × 581 ) / 1

LCM(691,581) = 401471 / 1

LCM(691,581) = 401471


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 455/691, 4121/581

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 455/691, 4121/581?

Answer: GCF of Numerators as per given numbers 455/691, 4121/581 is

GCF of Numerators i.e. for 455,4121 is 13

LCM of denominators i.e. for 691,581 is 401471.

Thus, GCF of Fractions is 13/401471.Finally, GCF of Fractions for 455/691, 4121/581 is 13/401471.