Given numbers are 820,723,136,641

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

The LCM of 820,723,136,641 is 12920790840.

Find LCM of 820,723,136,641 with Prime Factorization

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

2 x 2 x 205 x 723 x 34 x 641 = 12920790840

Therefore, the lowest common multiple of 820,723,136,641 is 12920790840.

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.

820 x 723 x 136 x 641 = 51683163360

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.

820 : 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820

723 : 1, 3, 241, 723

136 : 1, 2, 4, 8, 17, 34, 68, 136

641 : 1, 641

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 820,723,136,641, is 1.

Now, the common factors can be found like this.

820:2x 2x 5x 41

723:3x 241

136:2x 2x 2x 17

641:641

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

2x 2 = 4

Therefore, the value for common factors is 4.

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 = 51683163360/(1x4)

LCM = 51683163360/4

LCM = 12920790840

Thus, we can understand that the LCM of 820,723,136,641 is 12920790840.

Here are some samples of LCM of two or more Numbers calculations.

• LCM of 525, 502, 719, 505
• LCM of 607, 804, 639, 606
• LCM of 786, 320, 142, 230
• LCM of 399, 941, 301, 282
• LCM of 322, 339, 406, 441

1. What is the LCM of 820, 723, 136, 641?

Answer: LCM of 820, 723, 136, 641 is 12920790840.

2. How to calculate the LCM of 820, 723, 136, 641?

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 820, 723, 136, 641.

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}.