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LCM of 656, 646, 236, 636

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


Find the LCM of 656, 646, 236, 636 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 656, 646, 236, 636. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 656,646,236,636

Given numbers are 656,646,236,636

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

The LCM of 656,646,236,636 is 1987721328.

Find LCM of 656,646,236,636 with Prime Factorization


2 656, 646, 236, 636
2 328, 323, 118, 318
164, 323, 59, 159

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

2 x 2 x 164 x 323 x 59 x 159 = 1987721328

Therefore, the lowest common multiple of 656,646,236,636 is 1987721328.

LCM Formula to Find Lowest Common Multiple of 656,646,236,636

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.

656 x 646 x 236 x 636 = 63607082496

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.

656 : 1, 2, 4, 8, 16, 41, 82, 164, 328, 656

646 : 1, 2, 17, 19, 34, 38, 323, 646

236 : 1, 2, 4, 59, 118, 236

636 : 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636

2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 656,646,236,636, is 2.

Now, the common factors can be found like this.

656:2x 2x 2x 2x 41

646:2x 17x 19

236:2x 2x 59

636:2x 2x 3x 53

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 2 = 16

Therefore, the value for common factors is 16.

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 = 63607082496/(2x16)

LCM = 63607082496/32

LCM = 1987721328

Thus, we can understand that the LCM of 656,646,236,636 is 1987721328.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 656, 646, 236, 636

1. What is the LCM of 656, 646, 236, 636?

Answer: LCM of 656, 646, 236, 636 is 1987721328.

2. How to calculate the LCM of 656, 646, 236, 636?

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 656, 646, 236, 636.

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}.