Given numbers are 823,689,689,521

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

The LCM of 823,689,689,521 is 295431487.

Find LCM of 823,689,689,521 with Prime Factorization

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

13 x 53 x 823 x 1 x 1 x 521 = 295431487

Therefore, the lowest common multiple of 823,689,689,521 is 295431487.

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.

823 x 689 x 689 x 521 = 203552294543

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.

823 : 1, 823

689 : 1, 13, 53, 689

689 : 1, 13, 53, 689

521 : 1, 521

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 823,689,689,521, is 1.

Now, the common factors can be found like this.

823:823

689:13x 53

689:13x 53

521:521

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

13x 53 = 689

Therefore, the value for common factors is 689.

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 = 203552294543/(1x689)

LCM = 203552294543/689

LCM = 295431487

Thus, we can understand that the LCM of 823,689,689,521 is 295431487.

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

• LCM of 299, 492, 100, 412
• LCM of 244, 749, 611, 901
• LCM of 806, 881, 834, 730
• LCM of 433, 409, 365, 581
• LCM of 481, 273, 907, 359

1. What is the LCM of 823, 689, 689, 521?

Answer: LCM of 823, 689, 689, 521 is 295431487.

2. How to calculate the LCM of 823, 689, 689, 521?

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 823, 689, 689, 521.

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}.