Given numbers are 686,454,257

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

The LCM of 686,454,257 is 40020554.

Find LCM of 686,454,257 with Prime Factorization

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

2 x 343 x 227 x 257 = 40020554

Therefore, the lowest common multiple of 686,454,257 is 40020554.

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.

686 x 454 x 257 = 80041108

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.

686 : 1, 2, 7, 14, 49, 98, 343, 686

454 : 1, 2, 227, 454

257 : 1, 257

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 686,454,257, is 1.

Now, the common factors can be found like this.

686:2x 7x 7x 7

454:2x 227

257:257

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

2 = 2

Therefore, the value for common factors is 2.

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 = 80041108/(1x2)

LCM = 80041108/2

LCM = 40020554

Thus, we can understand that the LCM of 686,454,257 is 40020554.

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

• LCM of 797, 285, 352
• LCM of 152, 310, 552
• LCM of 134, 472, 186
• LCM of 355, 712, 162
• LCM of 642, 434, 131

1. What is the LCM of 686, 454, 257?

Answer: LCM of 686, 454, 257 is 40020554.

2. How to calculate the LCM of 686, 454, 257?

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 686, 454, 257.

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}.