GCF of 2142/646, 1979/5548
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 2142/646, 1979/5548 i.e 1/94316 easily. The following is the detailed procedure to determine the greatest common factor of fractions 2142/646, 1979/5548.
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 2142/646,1979/5548?
Given fractions are 2142/646,1979/5548
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 2142/646,1979/5548, numerators are 2142,1979
Denominators are 646,5548
The GCF of 2142,1979 is 1 .
LCM of 646,5548 is 94316.
The greatest common factor of 2142/646,1979/5548 = [GCF of 2142,1979]/[LCM of 646,5548]= 1/94316
Therefore, the GCF of 2142/646,1979/5548 is 1/94316.
To find the highest common factor of 2142,1979, we have to find the factors of both numbers and list the highest common factor.
The factors of 2142 are 1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142
The factors of 1979 are 1, 1979
The HCF of 2142,1979 is 1.
Lets's calculate GCF of 2142,1979
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 2142,1979 By Matching Biggest Common Factor Method
Now, list down the factors of 2142
:1,2,3,6,7,9,14,17,18,21,34,42,51,63,102,119,126,153,238,306,357,714,1071,2142
Now, list down the factors of 1979
:1,1979
Greatest Common Factor
We found the factors 2142,1979 . The biggest common factor number is the GCF number.
So the greatest common factor 2142,1979 is 1.
Lets's calculate LCM of 646,5548
| 2 | 646, 5548 |
| 19 | 323, 2774 |
| 17, 146 |
∴ So the LCM of the given numbers is 2 x 19 x 17 x 146 = 94316
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/94316
Therefore, the GCF of Fractions 2142/646,1979/5548 is 1/94316
Least Common Multiple of 646,5548 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 646,5548 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(646,5548) = 38
common factors(in case of two or more numbers have common factors) = 1
GCF(646,5548) x common factors =38 x 1 = 38
LCM(646,5548) = ( 646 × 5548 ) / 38
LCM(646,5548) = 3584008 / 38
LCM(646,5548) = 94316
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FAQs on GCF of Fractions of 2142/646, 1979/5548
1. What is the HCF of 2142,1979?
The HCF of 2142,1979 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 2142/646, 1979/5548?
Answer: GCF of Numerators as per given numbers 2142/646, 1979/5548 is
GCF of Numerators i.e. for 2142,1979 is 1
LCM of denominators i.e. for 646,5548 is 94316.
Thus, GCF of Fractions is 1/94316.Finally, GCF of Fractions for 2142/646, 1979/5548 is 1/94316.