LCM of 406, 420, 639, 284, 925
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 406, 420, 639, 284, 925 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 406, 420, 639, 284, 925. So, keep reading to learn more.
Given numbers are 406,420,639,284,925
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 406,420,639,284,925 is 479952900.
Find LCM of 406,420,639,284,925 with Prime Factorization
| 2 | 406, 420, 639, 284, 925 |
| 2 | 203, 210, 639, 142, 925 |
| 3 | 203, 105, 639, 71, 925 |
| 5 | 203, 35, 213, 71, 925 |
| 7 | 203, 7, 213, 71, 185 |
| 71 | 29, 1, 213, 71, 185 |
| 29, 1, 3, 1, 185 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 5 x 7 x 71 x 29 x 1 x 3 x 1 x 185 = 479952900
Therefore, the lowest common multiple of 406,420,639,284,925 is 479952900.
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.
406 x 420 x 639 x 284 x 925 = 28624390956000
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.
406 : 1, 2, 7, 14, 29, 58, 203, 406
420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
639 : 1, 3, 9, 71, 213, 639
284 : 1, 2, 4, 71, 142, 284
925 : 1, 5, 25, 37, 185, 925
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 406,420,639,284,925, is 1.
Now, the common factors can be found like this.
406:2x 7x 29
420:2x 2x 3x 5x 7
639:3x 3x 71
284:2x 2x 71
925:5x 5x 37
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 3x 5x 7x 71 = 59640
Therefore, the value for common factors is 59640.
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 = 28624390956000/(1x59640)
LCM = 28624390956000/59640
LCM = 479952900
Thus, we can understand that the LCM of 406,420,639,284,925 is 479952900.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 406, 420, 639, 284, 925
1. What is the LCM of 406, 420, 639, 284, 925?
Answer: LCM of 406, 420, 639, 284, 925 is 479952900.
2. How to calculate the LCM of 406, 420, 639, 284, 925?
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 406, 420, 639, 284, 925.
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}.