Given numbers are 731,45,393

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

The LCM of 731,45,393 is 4309245.

Find LCM of 731,45,393 with Prime Factorization

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

3 x 731 x 15 x 131 = 4309245

Therefore, the lowest common multiple of 731,45,393 is 4309245.

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.

731 x 45 x 393 = 12927735

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.

731 : 1, 17, 43, 731

45 : 1, 3, 5, 9, 15, 45

393 : 1, 3, 131, 393

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 731,45,393, is 1.

Now, the common factors can be found like this.

731:17x 43

45:3x 3x 5

393:3x 131

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

3 = 3

Therefore, the value for common factors is 3.

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 = 12927735/(1x3)

LCM = 12927735/3

LCM = 4309245

Thus, we can understand that the LCM of 731,45,393 is 4309245.

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

• LCM of 835, 68, 381
• LCM of 801, 23, 511
• LCM of 584, 53, 330
• LCM of 648, 25, 273
• LCM of 172, 67, 988

1. What is the LCM of 731, 45, 393?

Answer: LCM of 731, 45, 393 is 4309245.

2. How to calculate the LCM of 731, 45, 393?

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 731, 45, 393.

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}.