Given numbers are 642,800,286,117,247

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

The LCM of 642,800,286,117,247 is 2093176800.

Find LCM of 642,800,286,117,247 with Prime Factorization

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

2 x 3 x 13 x 107 x 400 x 11 x 3 x 19 = 2093176800

Therefore, the lowest common multiple of 642,800,286,117,247 is 2093176800.

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.

642 x 800 x 286 x 117 x 247 = 4244962550400

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.

642 : 1, 2, 3, 6, 107, 214, 321, 642

800 : 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800

286 : 1, 2, 11, 13, 22, 26, 143, 286

117 : 1, 3, 9, 13, 39, 117

247 : 1, 13, 19, 247

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 642,800,286,117,247, is 1.

Now, the common factors can be found like this.

642:2x 3x 107

800:2x 2x 2x 2x 2x 5x 5

286:2x 11x 13

117:3x 3x 13

247:13x 19

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

2x 2x 3x 13x 13 = 2028

Therefore, the value for common factors is 2028.

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 = 4244962550400/(1x2028)

LCM = 4244962550400/2028

LCM = 2093176800

Thus, we can understand that the LCM of 642,800,286,117,247 is 2093176800.

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

• LCM of 331, 626, 474, 417, 386
• LCM of 850, 622, 508, 493, 359
• LCM of 492, 472, 814, 969, 602
• LCM of 591, 890, 221, 756, 276
• LCM of 904, 234, 683, 892, 491

1. What is the LCM of 642, 800, 286, 117, 247?

Answer: LCM of 642, 800, 286, 117, 247 is 2093176800.

2. How to calculate the LCM of 642, 800, 286, 117, 247?

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 642, 800, 286, 117, 247.

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}.