GCF of 78/67, 949/38, 624/790
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 78/67, 949/38, 624/790 i.e 13/1005670 easily. The following is the detailed procedure to determine the greatest common factor of fractions 78/67, 949/38, 624/790.
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 78/67,949/38,624/790?
Given fractions are 78/67,949/38,624/790
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 78/67,949/38,624/790, numerators are 78,949,624
Denominators are 67,38,790
The GCF of 78,949,624 is 13 .
LCM of 67,38,790 is 1005670.
The greatest common factor of 78/67,949/38,624/790 = [GCF of 78,949,624]/[LCM of 67,38,790]= 13/1005670
Therefore, the GCF of 78/67,949/38,624/790 is 13/1005670.
To find the highest common factor of 78,949,624, we have to find the factors of both numbers and list the highest common factor.
The factors of 78 are 1, 2, 3, 6, 13, 26, 39, 78
The factors of 949 are 1, 13, 73, 949
The factors of 624 are 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624
The HCF of 78,949,624 is 13.
Lets's calculate GCF of 78,949,624
| 13 | 78, 949, 624 |
| 6, 73, 48 |
∴ So the GCF of the given numbers is 13 = 13
Greatest Common Factor of 78,949,624 By Matching Biggest Common Factor Method
Now, list down the factors of 78
:1,2,3,6,13,26,39,78
Now, list down the factors of 949
:1,13,73,949
Now, list down the factors of 624
:1,2,3,4,6,8,12,13,16,24,26,39,48,52,78,104,156,208,312,624
Greatest Common Factor
We found the factors 78,949,624 . The biggest common factor number is the GCF number.
So the greatest common factor 78,949,624 is 13.
Lets's calculate LCM of 67,38,790
| 2 | 67, 38, 790 |
| 67, 19, 395 |
∴ So the LCM of the given numbers is 2 x 67 x 19 x 395 = 1005670
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 13/1005670
Therefore, the GCF of Fractions 78/67,949/38,624/790 is 13/1005670
Least Common Multiple of 67,38,790 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 67,38,790 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(67,38,790) = 1
common factors(in case of two or more numbers have common factors) = 2
GCF(67,38,790) x common factors =1 x 2 = 2
LCM(67,38,790) = ( 67 × 38 × 790 ) / 2
LCM(67,38,790) = 2011340 / 2
LCM(67,38,790) = 1005670
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FAQs on GCF of Fractions of 78/67, 949/38, 624/790
1. What is the HCF of 78,949,624?
The HCF of 78,949,624 is 13
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 78/67, 949/38, 624/790?
Answer: GCF of Numerators as per given numbers 78/67, 949/38, 624/790 is
GCF of Numerators i.e. for 78,949,624 is 13
LCM of denominators i.e. for 67,38,790 is 1005670.
Thus, GCF of Fractions is 13/1005670.Finally, GCF of Fractions for 78/67, 949/38, 624/790 is 13/1005670.