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LCM of 655, 456, 228, 821

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


Find the LCM of 655, 456, 228, 821 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 655, 456, 228, 821. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 655,456,228,821

Given numbers are 655,456,228,821

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

The LCM of 655,456,228,821 is 245216280.

Find LCM of 655,456,228,821 with Prime Factorization


2 655, 456, 228, 821
2 655, 228, 114, 821
3 655, 57, 114, 821
19 655, 19, 38, 821
655, 1, 2, 821

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

2 x 2 x 3 x 19 x 655 x 1 x 2 x 821 = 245216280

Therefore, the lowest common multiple of 655,456,228,821 is 245216280.

LCM Formula to Find Lowest Common Multiple of 655,456,228,821

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.

655 x 456 x 228 x 821 = 55909311840

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.

655 : 1, 5, 131, 655

456 : 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456

228 : 1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228

821 : 1, 821

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 655,456,228,821, is 1.

Now, the common factors can be found like this.

655:5x 131

456:2x 2x 2x 3x 19

228:2x 2x 3x 19

821:821

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 3x 19 = 228

Therefore, the value for common factors is 228.

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 = 55909311840/(1x228)

LCM = 55909311840/228

LCM = 245216280

Thus, we can understand that the LCM of 655,456,228,821 is 245216280.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 655, 456, 228, 821

1. What is the LCM of 655, 456, 228, 821?

Answer: LCM of 655, 456, 228, 821 is 245216280.

2. How to calculate the LCM of 655, 456, 228, 821?

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 655, 456, 228, 821.

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}.