LCM of 647, 342, 760, 957, 802
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 647, 342, 760, 957, 802 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 647, 342, 760, 957, 802. So, keep reading to learn more.
Given numbers are 647,342,760,957,802
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 647,342,760,957,802 is 566102976120.
Find LCM of 647,342,760,957,802 with Prime Factorization
| 2 | 647, 342, 760, 957, 802 |
| 3 | 647, 171, 380, 957, 401 |
| 19 | 647, 57, 380, 319, 401 |
| 647, 3, 20, 319, 401 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 19 x 647 x 3 x 20 x 319 x 401 = 566102976120
Therefore, the lowest common multiple of 647,342,760,957,802 is 566102976120.
LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}
Firstly, we have to find the product of all the numbers.
647 x 342 x 760 x 957 x 802 = 129071478555360
Then, let us find the GCF of these five numbers. To do so, we have to list down the factors for each number and choose the highest factor that is in all of the lists.
647 : 1, 647
342 : 1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342
760 : 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760
957 : 1, 3, 11, 29, 33, 87, 319, 957
802 : 1, 2, 401, 802
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 647,342,760,957,802, is 1.
Now, the common factors can be found like this.
647:647
342:2x 3x 3x 19
760:2x 2x 2x 5x 19
957:3x 11x 29
802:2x 401
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 2x 3x 19 = 228
Therefore, the value for common factors is 228.
Now that we have all the elements of the formula, we can plug them in to calculate the LCM.
LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}
LCM = 129071478555360/(1x228)
LCM = 129071478555360/228
LCM = 566102976120
Thus, we can understand that the LCM of 647,342,760,957,802 is 566102976120.
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FAQs on LCM of 647, 342, 760, 957, 802
1. What is the LCM of 647, 342, 760, 957, 802?
Answer: LCM of 647, 342, 760, 957, 802 is 566102976120.
2. How to calculate the LCM of 647, 342, 760, 957, 802?
The LCM can be found using two methods. You can either use the LCM formula or the prime factorization method to calculate the LCM of 647, 342, 760, 957, 802.
3. What is the LCM formula?
The LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}.