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LCM of 520, 715, 689, 158

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


Find the LCM of 520, 715, 689, 158 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 520, 715, 689, 158. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 520,715,689,158

Given numbers are 520,715,689,158

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

The LCM of 520,715,689,158 is 23949640.

Find LCM of 520,715,689,158 with Prime Factorization


2 520, 715, 689, 158
5 260, 715, 689, 79
13 52, 143, 689, 79
4, 11, 53, 79

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

2 x 5 x 13 x 4 x 11 x 53 x 79 = 23949640

Therefore, the lowest common multiple of 520,715,689,158 is 23949640.

LCM Formula to Find Lowest Common Multiple of 520,715,689,158

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.

520 x 715 x 689 x 158 = 40474891600

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.

520 : 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

715 : 1, 5, 11, 13, 55, 65, 143, 715

689 : 1, 13, 53, 689

158 : 1, 2, 79, 158

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 520,715,689,158, is 1.

Now, the common factors can be found like this.

520:2x 2x 2x 5x 13

715:5x 11x 13

689:13x 53

158:2x 79

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 13x 13 = 1690

Therefore, the value for common factors is 1690.

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 = 40474891600/(1x1690)

LCM = 40474891600/1690

LCM = 23949640

Thus, we can understand that the LCM of 520,715,689,158 is 23949640.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 520, 715, 689, 158

1. What is the LCM of 520, 715, 689, 158?

Answer: LCM of 520, 715, 689, 158 is 23949640.

2. How to calculate the LCM of 520, 715, 689, 158?

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 520, 715, 689, 158.

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}.