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LCM of 915, 158, 322, 220

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


Find the LCM of 915, 158, 322, 220 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 915, 158, 322, 220. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 915,158,322,220

Given numbers are 915,158,322,220

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

The LCM of 915,158,322,220 is 512066940.

Find LCM of 915,158,322,220 with Prime Factorization


2 915, 158, 322, 220
5 915, 79, 161, 110
183, 79, 161, 22

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

2 x 5 x 183 x 79 x 161 x 22 = 512066940

Therefore, the lowest common multiple of 915,158,322,220 is 512066940.

LCM Formula to Find Lowest Common Multiple of 915,158,322,220

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.

915 x 158 x 322 x 220 = 10241338800

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.

915 : 1, 3, 5, 15, 61, 183, 305, 915

158 : 1, 2, 79, 158

322 : 1, 2, 7, 14, 23, 46, 161, 322

220 : 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 915,158,322,220, is 1.

Now, the common factors can be found like this.

915:3x 5x 61

158:2x 79

322:2x 7x 23

220:2x 2x 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 5 = 20

Therefore, the value for common factors is 20.

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 = 10241338800/(1x20)

LCM = 10241338800/20

LCM = 512066940

Thus, we can understand that the LCM of 915,158,322,220 is 512066940.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 915, 158, 322, 220

1. What is the LCM of 915, 158, 322, 220?

Answer: LCM of 915, 158, 322, 220 is 512066940.

2. How to calculate the LCM of 915, 158, 322, 220?

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 915, 158, 322, 220.

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}.