LCM of 736, 705, 540, 646, 858
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 736, 705, 540, 646, 858 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 736, 705, 540, 646, 858. So, keep reading to learn more.
Given numbers are 736,705,540,646,858
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 736,705,540,646,858 is 215698934880.
Find LCM of 736,705,540,646,858 with Prime Factorization
| 2 | 736, 705, 540, 646, 858 |
| 2 | 368, 705, 270, 323, 429 |
| 3 | 184, 705, 135, 323, 429 |
| 5 | 184, 235, 45, 323, 143 |
| 184, 47, 9, 323, 143 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 5 x 184 x 47 x 9 x 323 x 143 = 215698934880
Therefore, the lowest common multiple of 736,705,540,646,858 is 215698934880.
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.
736 x 705 x 540 x 646 x 858 = 155303233113600
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.
736 : 1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736
705 : 1, 3, 5, 15, 47, 141, 235, 705
540 : 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
646 : 1, 2, 17, 19, 34, 38, 323, 646
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 736,705,540,646,858, is 1.
Now, the common factors can be found like this.
736:2x 2x 2x 2x 2x 23
705:3x 5x 47
540:2x 2x 3x 3x 3x 5
646:2x 17x 19
858:2x 3x 11x 13
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 2x 2x 3x 3x 5 = 720
Therefore, the value for common factors is 720.
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 = 155303233113600/(1x720)
LCM = 155303233113600/720
LCM = 215698934880
Thus, we can understand that the LCM of 736,705,540,646,858 is 215698934880.
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FAQs on LCM of 736, 705, 540, 646, 858
1. What is the LCM of 736, 705, 540, 646, 858?
Answer: LCM of 736, 705, 540, 646, 858 is 215698934880.
2. How to calculate the LCM of 736, 705, 540, 646, 858?
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 736, 705, 540, 646, 858.
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}.