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LCM of 452, 120, 642, 665

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 452, 120, 642, 665 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 452, 120, 642, 665. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 452,120,642,665

Given numbers are 452,120,642,665

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

The LCM of 452,120,642,665 is 192972360.

Find LCM of 452,120,642,665 with Prime Factorization


2 452, 120, 642, 665
2 226, 60, 321, 665
3 113, 30, 321, 665
5 113, 10, 107, 665
113, 2, 107, 133

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

2 x 2 x 3 x 5 x 113 x 2 x 107 x 133 = 192972360

Therefore, the lowest common multiple of 452,120,642,665 is 192972360.

LCM Formula to Find Lowest Common Multiple of 452,120,642,665

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.

452 x 120 x 642 x 665 = 23156683200

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.

452 : 1, 2, 4, 113, 226, 452

120 : 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120

642 : 1, 2, 3, 6, 107, 214, 321, 642

665 : 1, 5, 7, 19, 35, 95, 133, 665

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 452,120,642,665, is 1.

Now, the common factors can be found like this.

452:2x 2x 113

120:2x 2x 2x 3x 5

642:2x 3x 107

665:5x 7x 19

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 5 = 120

Therefore, the value for common factors is 120.

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 = 23156683200/(1x120)

LCM = 23156683200/120

LCM = 192972360

Thus, we can understand that the LCM of 452,120,642,665 is 192972360.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 452, 120, 642, 665

1. What is the LCM of 452, 120, 642, 665?

Answer: LCM of 452, 120, 642, 665 is 192972360.

2. How to calculate the LCM of 452, 120, 642, 665?

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 452, 120, 642, 665.

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}.