Given numbers are 428,257,645,716

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

The LCM of 428,257,645,716 is 12699588180.

Find LCM of 428,257,645,716 with Prime Factorization

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

2 x 2 x 107 x 257 x 645 x 179 = 12699588180

Therefore, the lowest common multiple of 428,257,645,716 is 12699588180.

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.

428 x 257 x 645 x 716 = 50798352720

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.

428 : 1, 2, 4, 107, 214, 428

257 : 1, 257

645 : 1, 3, 5, 15, 43, 129, 215, 645

716 : 1, 2, 4, 179, 358, 716

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 428,257,645,716, is 1.

Now, the common factors can be found like this.

428:2x 2x 107

257:257

645:3x 5x 43

716:2x 2x 179

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

2x 2 = 4

Therefore, the value for common factors is 4.

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 = 50798352720/(1x4)

LCM = 50798352720/4

LCM = 12699588180

Thus, we can understand that the LCM of 428,257,645,716 is 12699588180.

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

• LCM of 898, 298, 494, 235
• LCM of 455, 285, 562, 431
• LCM of 574, 394, 978, 689
• LCM of 741, 751, 555, 488
• LCM of 648, 705, 994, 406

1. What is the LCM of 428, 257, 645, 716?

Answer: LCM of 428, 257, 645, 716 is 12699588180.

2. How to calculate the LCM of 428, 257, 645, 716?

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 428, 257, 645, 716.

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}.