Given numbers are 605,163,320,990

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 605,163,320,990 is 56802240.

Find LCM of 605,163,320,990 with Prime Factorization

Multiply the prime numbers at the bottom and the left side.

2 x 5 x 11 x 11 x 163 x 32 x 9 = 56802240

Therefore, the lowest common multiple of 605,163,320,990 is 56802240.

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.

605 x 163 x 320 x 990 = 31241232000

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.

605 : 1, 5, 11, 55, 121, 605

163 : 1, 163

320 : 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

990 : 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 605,163,320,990, is 1.

Now, the common factors can be found like this.

605:5x 11x 11

163:163

320:2x 2x 2x 2x 2x 2x 5

990:2x 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 5x 5x 11 = 550

Therefore, the value for common factors is 550.

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 = 31241232000/(1x550)

LCM = 31241232000/550

LCM = 56802240

Thus, we can understand that the LCM of 605,163,320,990 is 56802240.

Here are some samples of LCM of two or more Numbers calculations.

• LCM of 435, 242, 909, 707
• LCM of 910, 747, 301, 687
• LCM of 663, 792, 406, 748
• LCM of 814, 570, 396, 757
• LCM of 599, 454, 683, 823

1. What is the LCM of 605, 163, 320, 990?

Answer: LCM of 605, 163, 320, 990 is 56802240.

2. How to calculate the LCM of 605, 163, 320, 990?

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 605, 163, 320, 990.

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}.