LCM of 637, 642, 807, 249, 432
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 637, 642, 807, 249, 432 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 637, 642, 807, 249, 432. So, keep reading to learn more.
Given numbers are 637,642,807,249,432
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 637,642,807,249,432 is 657411548976.
Find LCM of 637,642,807,249,432 with Prime Factorization
| 2 | 637, 642, 807, 249, 432 |
| 3 | 637, 321, 807, 249, 216 |
| 637, 107, 269, 83, 72 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 637 x 107 x 269 x 83 x 72 = 657411548976
Therefore, the lowest common multiple of 637,642,807,249,432 is 657411548976.
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.
637 x 642 x 807 x 249 x 432 = 35500223644704
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.
637 : 1, 7, 13, 49, 91, 637
642 : 1, 2, 3, 6, 107, 214, 321, 642
807 : 1, 3, 269, 807
249 : 1, 3, 83, 249
432 : 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 637,642,807,249,432, is 1.
Now, the common factors can be found like this.
637:7x 7x 13
642:2x 3x 107
807:3x 269
249:3x 83
432:2x 2x 2x 2x 3x 3x 3
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3x 3 = 54
Therefore, the value for common factors is 54.
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 = 35500223644704/(1x54)
LCM = 35500223644704/54
LCM = 657411548976
Thus, we can understand that the LCM of 637,642,807,249,432 is 657411548976.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 637, 642, 807, 249, 432
1. What is the LCM of 637, 642, 807, 249, 432?
Answer: LCM of 637, 642, 807, 249, 432 is 657411548976.
2. How to calculate the LCM of 637, 642, 807, 249, 432?
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 637, 642, 807, 249, 432.
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}.