Find the LCM of 638, 407, 520, 268, 495 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 638, 407, 520, 268, 495. So, keep reading to learn more.
Given numbers are 638,407,520,268,495
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 638,407,520,268,495 is 3700948680.
Find LCM of 638,407,520,268,495 with Prime Factorization
2 | 638, 407, 520, 268, 495 |
2 | 319, 407, 260, 134, 495 |
5 | 319, 407, 130, 67, 495 |
11 | 319, 407, 26, 67, 99 |
29, 37, 26, 67, 9 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 11 x 29 x 37 x 26 x 67 x 9 = 3700948680
Therefore, the lowest common multiple of 638,407,520,268,495 is 3700948680.
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.
638 x 407 x 520 x 268 x 495 = 17912591611200
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.
638 : 1, 2, 11, 22, 29, 58, 319, 638
407 : 1, 11, 37, 407
520 : 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520
268 : 1, 2, 4, 67, 134, 268
495 : 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 638,407,520,268,495, is 1.
Now, the common factors can be found like this.
638:2x 11x 29
407:11x 37
520:2x 2x 2x 5x 13
268:2x 2x 67
495:3x 3x 5x 11
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 5x 11x 11 = 4840
Therefore, the value for common factors is 4840.
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 = 17912591611200/(1x4840)
LCM = 17912591611200/4840
LCM = 3700948680
Thus, we can understand that the LCM of 638,407,520,268,495 is 3700948680.
Here are some samples of LCM of two or more Numbers calculations.
1. What is the LCM of 638, 407, 520, 268, 495?
Answer: LCM of 638, 407, 520, 268, 495 is 3700948680.
2. How to calculate the LCM of 638, 407, 520, 268, 495?
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 638, 407, 520, 268, 495.
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}.