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LCM of 961, 405, 616, 455

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


Find the LCM of 961, 405, 616, 455 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 961, 405, 616, 455. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 961,405,616,455

Given numbers are 961,405,616,455

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

The LCM of 961,405,616,455 is 3116753640.

Find LCM of 961,405,616,455 with Prime Factorization


5 961, 405, 616, 455
7 961, 81, 616, 91
961, 81, 88, 13

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

5 x 7 x 961 x 81 x 88 x 13 = 3116753640

Therefore, the lowest common multiple of 961,405,616,455 is 3116753640.

LCM Formula to Find Lowest Common Multiple of 961,405,616,455

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.

961 x 405 x 616 x 455 = 109086377400

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.

961 : 1, 31, 961

405 : 1, 3, 5, 9, 15, 27, 45, 81, 135, 405

616 : 1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616

455 : 1, 5, 7, 13, 35, 65, 91, 455

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 961,405,616,455, is 1.

Now, the common factors can be found like this.

961:31x 31

405:3x 3x 3x 3x 5

616:2x 2x 2x 7x 11

455:5x 7x 13

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

5x 7 = 35

Therefore, the value for common factors is 35.

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 = 109086377400/(1x35)

LCM = 109086377400/35

LCM = 3116753640

Thus, we can understand that the LCM of 961,405,616,455 is 3116753640.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 961, 405, 616, 455

1. What is the LCM of 961, 405, 616, 455?

Answer: LCM of 961, 405, 616, 455 is 3116753640.

2. How to calculate the LCM of 961, 405, 616, 455?

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 961, 405, 616, 455.

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}.