Given numbers are 423,784,128,763

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

The LCM of 423,784,128,763 is 289183104.

Find LCM of 423,784,128,763 with Prime Factorization

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

2 x 2 x 2 x 2 x 7 x 423 x 7 x 8 x 109 = 289183104

Therefore, the lowest common multiple of 423,784,128,763 is 289183104.

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.

423 x 784 x 128 x 763 = 32388507648

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.

423 : 1, 3, 9, 47, 141, 423

784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784

128 : 1, 2, 4, 8, 16, 32, 64, 128

763 : 1, 7, 109, 763

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 423,784,128,763, is 1.

Now, the common factors can be found like this.

423:3x 3x 47

784:2x 2x 2x 2x 7x 7

128:2x 2x 2x 2x 2x 2x 2

763:7x 109

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 2x 2x 7 = 112

Therefore, the value for common factors is 112.

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 = 32388507648/(1x112)

LCM = 32388507648/112

LCM = 289183104

Thus, we can understand that the LCM of 423,784,128,763 is 289183104.

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

• LCM of 742, 204, 628, 150
• LCM of 368, 339, 937, 974
• LCM of 258, 337, 813, 119
• LCM of 842, 243, 877, 506
• LCM of 696, 978, 875, 170

1. What is the LCM of 423, 784, 128, 763?

Answer: LCM of 423, 784, 128, 763 is 289183104.

2. How to calculate the LCM of 423, 784, 128, 763?

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 423, 784, 128, 763.

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}.