GCF of 780/70, 672/5639
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 780/70, 672/5639 i.e 12/394730 easily. The following is the detailed procedure to determine the greatest common factor of fractions 780/70, 672/5639.
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 780/70,672/5639?
Given fractions are 780/70,672/5639
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 780/70,672/5639, numerators are 780,672
Denominators are 70,5639
The GCF of 780,672 is 12 .
LCM of 70,5639 is 394730.
The greatest common factor of 780/70,672/5639 = [GCF of 780,672]/[LCM of 70,5639]= 12/394730
Therefore, the GCF of 780/70,672/5639 is 12/394730.
To find the highest common factor of 780,672, we have to find the factors of both numbers and list the highest common factor.
The factors of 780 are 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
The factors of 672 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672
The HCF of 780,672 is 12.
Lets's calculate GCF of 780,672
| 2 | 780, 672 |
| 2 | 390, 336 |
| 3 | 195, 168 |
| 65, 56 |
∴ So the GCF of the given numbers is 2 x 2 x 3 = 12
Greatest Common Factor of 780,672 By Matching Biggest Common Factor Method
Now, list down the factors of 780
:1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780
Now, list down the factors of 672
:1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,96,112,168,224,336,672
Greatest Common Factor
We found the factors 780,672 . The biggest common factor number is the GCF number.
So the greatest common factor 780,672 is 12.
Lets's calculate LCM of 70,5639
Given numbers has no common factors except 1. So, there LCM is their product i.e 394730
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 12/394730
Therefore, the GCF of Fractions 780/70,672/5639 is 12/394730
Least Common Multiple of 70,5639 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 70,5639 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(70,5639) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(70,5639) x common factors =1 x 1 = 1
LCM(70,5639) = ( 70 × 5639 ) / 1
LCM(70,5639) = 394730 / 1
LCM(70,5639) = 394730
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FAQs on GCF of Fractions of 780/70, 672/5639
1. What is the HCF of 780,672?
The HCF of 780,672 is 12
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 780/70, 672/5639?
Answer: GCF of Numerators as per given numbers 780/70, 672/5639 is
GCF of Numerators i.e. for 780,672 is 12
LCM of denominators i.e. for 70,5639 is 394730.
Thus, GCF of Fractions is 12/394730.Finally, GCF of Fractions for 780/70, 672/5639 is 12/394730.