GCF of 456/646, 836/291
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 456/646, 836/291 i.e 76/187986 easily. The following is the detailed procedure to determine the greatest common factor of fractions 456/646, 836/291.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 456/646,836/291?
Given fractions are 456/646,836/291
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 456/646,836/291, numerators are 456,836
Denominators are 646,291
The GCF of 456,836 is 76 .
LCM of 646,291 is 187986.
The greatest common factor of 456/646,836/291 = [GCF of 456,836]/[LCM of 646,291]= 76/187986
Therefore, the GCF of 456/646,836/291 is 76/187986.
To find the highest common factor of 456,836, we have to find the factors of both numbers and list the highest common factor.
The factors of 456 are 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456
The factors of 836 are 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836
The HCF of 456,836 is 76.
Lets's calculate GCF of 456,836
| 2 | 456, 836 |
| 2 | 228, 418 |
| 19 | 114, 209 |
| 6, 11 |
∴ So the GCF of the given numbers is 2 x 2 x 19 = 76
Greatest Common Factor of 456,836 By Matching Biggest Common Factor Method
Now, list down the factors of 456
:1,2,3,4,6,8,12,19,24,38,57,76,114,152,228,456
Now, list down the factors of 836
:1,2,4,11,19,22,38,44,76,209,418,836
Greatest Common Factor
We found the factors 456,836 . The biggest common factor number is the GCF number.
So the greatest common factor 456,836 is 76.
Lets's calculate LCM of 646,291
Given numbers has no common factors except 1. So, there LCM is their product i.e 187986
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 76/187986
Therefore, the GCF of Fractions 456/646,836/291 is 76/187986
Least Common Multiple of 646,291 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 646,291 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(646,291) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(646,291) x common factors =1 x 1 = 1
LCM(646,291) = ( 646 × 291 ) / 1
LCM(646,291) = 187986 / 1
LCM(646,291) = 187986
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FAQs on GCF of Fractions of 456/646, 836/291
1. What is the HCF of 456,836?
The HCF of 456,836 is 76
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 456/646, 836/291?
Answer: GCF of Numerators as per given numbers 456/646, 836/291 is
GCF of Numerators i.e. for 456,836 is 76
LCM of denominators i.e. for 646,291 is 187986.
Thus, GCF of Fractions is 76/187986.Finally, GCF of Fractions for 456/646, 836/291 is 76/187986.