Given numbers are 643,418,643

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

The LCM of 643,418,643 is 268774.

Find LCM of 643,418,643 with Prime Factorization

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

643 x 1 x 418 x 1 = 268774

Therefore, the lowest common multiple of 643,418,643 is 268774.

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.

643 x 418 x 643 = 172821682

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.

643 : 1, 643

418 : 1, 2, 11, 19, 22, 38, 209, 418

643 : 1, 643

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 643,418,643, is 1.

Now, the common factors can be found like this.

643:643

418:2x 11x 19

643:643

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

643 = 643

Therefore, the value for common factors is 643.

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 = 172821682/(1x643)

LCM = 172821682/643

LCM = 268774

Thus, we can understand that the LCM of 643,418,643 is 268774.

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

• LCM of 449, 975, 913
• LCM of 213, 618, 608
• LCM of 930, 439, 119
• LCM of 491, 781, 433
• LCM of 524, 501, 734

1. What is the LCM of 643, 418, 643?

Answer: LCM of 643, 418, 643 is 268774.

2. How to calculate the LCM of 643, 418, 643?

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 643, 418, 643.

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}.