Given numbers are 381,243,691

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

The LCM of 381,243,691 is 21324951.

Find LCM of 381,243,691 with Prime Factorization

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

3 x 127 x 81 x 691 = 21324951

Therefore, the lowest common multiple of 381,243,691 is 21324951.

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.

381 x 243 x 691 = 63974853

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.

381 : 1, 3, 127, 381

243 : 1, 3, 9, 27, 81, 243

691 : 1, 691

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 381,243,691, is 1.

Now, the common factors can be found like this.

381:3x 127

243:3x 3x 3x 3x 3

691:691

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 = 63974853/(1x3)

LCM = 63974853/3

LCM = 21324951

Thus, we can understand that the LCM of 381,243,691 is 21324951.

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

• LCM of 873, 564, 705
• LCM of 841, 380, 978
• LCM of 191, 942, 509
• LCM of 742, 578, 908
• LCM of 467, 308, 783

1. What is the LCM of 381, 243, 691?

Answer: LCM of 381, 243, 691 is 21324951.

2. How to calculate the LCM of 381, 243, 691?

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 381, 243, 691.

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}.