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GCF of 668/83, 688/1283

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 668/83, 688/1283 i.e 4/106489 easily. The following is the detailed procedure to determine the greatest common factor of fractions 668/83, 688/1283.

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 668/83,688/1283?

Given fractions are 668/83,688/1283

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 668/83,688/1283, numerators are 668,688

Denominators are 83,1283

The GCF of 668,688 is 4 .

LCM of 83,1283 is 106489.

The greatest common factor of 668/83,688/1283 = [GCF of 668,688]/[LCM of 83,1283]= 4/106489

Therefore, the GCF of 668/83,688/1283 is 4/106489.

Greatest Common Factor of 668,688

To find the highest common factor of 668,688, we have to find the factors of both numbers and list the highest common factor.

The factors of 668 are 1, 2, 4, 167, 334, 668

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

The HCF of 668,688 is 4.

Lets's calculate GCF of 668,688

Greatest Common Factor (GCF) of 668,688 By Common Division

2 668, 688
2 334, 344
167, 172

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

Greatest Common Factor of 668,688 By Matching Biggest Common Factor Method

Greatest Common Factor of 668,688 By Matching Biggest Common Factor Method

Now, list down the factors of 668

:

1,2,4,167,334,668

Now, list down the factors of 688

:

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

Greatest Common Factor

We found the factors 668,688 . The biggest common factor number is the GCF number.
So the greatest common factor 668,688 is 4.

Lets's calculate LCM of 83,1283

Lowest Common Multiple of 83,1283 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 106489

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/106489

Therefore, the GCF of Fractions 668/83,688/1283 is 4/106489

Least Common Multiple of 83,1283 with GCF Formula

Least Common Multiple of 83,1283 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 83,1283 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(83,1283) = 1

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

GCF(83,1283) x common factors =1 x 1 = 1

LCM(83,1283) = ( 83 × 1283 ) / 1

LCM(83,1283) = 106489 / 1

LCM(83,1283) = 106489


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FAQs on GCF of Fractions of 668/83, 688/1283

1. What is the HCF of 668,688?

The HCF of 668,688 is 4

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 668/83, 688/1283?

Answer: GCF of Numerators as per given numbers 668/83, 688/1283 is

GCF of Numerators i.e. for 668,688 is 4

LCM of denominators i.e. for 83,1283 is 106489.

Thus, GCF of Fractions is 4/106489.Finally, GCF of Fractions for 668/83, 688/1283 is 4/106489.