Given numbers are 638,388,159,406

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

The LCM of 638,388,159,406 is 137758236.

Find LCM of 638,388,159,406 with Prime Factorization

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

2 x 29 x 11 x 194 x 159 x 7 = 137758236

Therefore, the lowest common multiple of 638,388,159,406 is 137758236.

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 388 x 159 x 406 = 15979955376

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

388 : 1, 2, 4, 97, 194, 388

159 : 1, 3, 53, 159

406 : 1, 2, 7, 14, 29, 58, 203, 406

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 638,388,159,406, is 1.

Now, the common factors can be found like this.

638:2x 11x 29

388:2x 2x 97

159:3x 53

406:2x 7x 29

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 29 = 116

Therefore, the value for common factors is 116.

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 = 15979955376/(1x116)

LCM = 15979955376/116

LCM = 137758236

Thus, we can understand that the LCM of 638,388,159,406 is 137758236.

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

• LCM of 905, 506, 706, 797
• LCM of 999, 195, 249, 902
• LCM of 639, 452, 182, 620
• LCM of 645, 614, 640, 648
• LCM of 838, 537, 802, 482

1. What is the LCM of 638, 388, 159, 406?

Answer: LCM of 638, 388, 159, 406 is 137758236.

2. How to calculate the LCM of 638, 388, 159, 406?

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, 388, 159, 406.

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}.