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GCF of 688/406, 249/620

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Use our free GCF of Fractions Calculator tool to compute the GCF of 688/406, 249/620 i.e 1/125860 easily. The following is the detailed procedure to determine the greatest common factor of fractions 688/406, 249/620.

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

What is the GCF of 688/406,249/620?

Given fractions are 688/406,249/620

To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by

GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators

In the fractions 688/406,249/620, numerators are 688,249

Denominators are 406,620

The GCF of 688,249 is 1 .

LCM of 406,620 is 125860.

The greatest common factor of 688/406,249/620 = [GCF of 688,249]/[LCM of 406,620]= 1/125860

Therefore, the GCF of 688/406,249/620 is 1/125860.

Greatest Common Factor of 688,249

To find the highest common factor of 688,249, we have to find the factors of both numbers and list the highest common factor.

The factors of 688 are 1, 2, 4, 8, 16, 43, 86, 172, 344, 688

The factors of 249 are 1, 3, 83, 249

The HCF of 688,249 is 1.

Lets's calculate GCF of 688,249

Greatest Common Factor (GCF) of 688,249 By Common Division

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

Greatest Common Factor of 688,249 By Matching Biggest Common Factor Method

Greatest Common Factor of 688,249 By Matching Biggest Common Factor Method

Now, list down the factors of 688

:

1,2,4,8,16,43,86,172,344,688

Now, list down the factors of 249

:

1,3,83,249

Greatest Common Factor

We found the factors 688,249 . The biggest common factor number is the GCF number.
So the greatest common factor 688,249 is 1.

Lets's calculate LCM of 406,620

Lowest Common Multiple of 406,620 using Common Division

2 406, 620
203, 310

∴ So the LCM of the given numbers is 2 x 203 x 310 = 125860

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/125860

Therefore, the GCF of Fractions 688/406,249/620 is 1/125860

Least Common Multiple of 406,620 with GCF Formula

Least Common Multiple of 406,620 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 406,620 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(406,620) = 2

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

GCF(406,620) x common factors =2 x 1 = 2

LCM(406,620) = ( 406 × 620 ) / 2

LCM(406,620) = 251720 / 2

LCM(406,620) = 125860


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FAQs on GCF of Fractions of 688/406, 249/620

1. What is the HCF of 688,249?

The HCF of 688,249 is 1

2. What is the GCF of a fraction?

The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.

3. 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.

4. What is the GCF of Fractions for 688/406, 249/620?

Answer: GCF of Numerators as per given numbers 688/406, 249/620 is

GCF of Numerators i.e. for 688,249 is 1

LCM of denominators i.e. for 406,620 is 125860.

Thus, GCF of Fractions is 1/125860.Finally, GCF of Fractions for 688/406, 249/620 is 1/125860.