Given numbers are 128,890,142,497

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

The LCM of 128,890,142,497 is 28309120.

Find LCM of 128,890,142,497 with Prime Factorization

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

2 x 71 x 64 x 445 x 1 x 7 = 28309120

Therefore, the lowest common multiple of 128,890,142,497 is 28309120.

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.

128 x 890 x 142 x 497 = 8039790080

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.

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

890 : 1, 2, 5, 10, 89, 178, 445, 890

142 : 1, 2, 71, 142

497 : 1, 7, 71, 497

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 128,890,142,497, is 1.

Now, the common factors can be found like this.

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

890:2x 5x 89

142:2x 71

497:7x 71

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 71 = 284

Therefore, the value for common factors is 284.

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 = 8039790080/(1x284)

LCM = 8039790080/284

LCM = 28309120

Thus, we can understand that the LCM of 128,890,142,497 is 28309120.

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

• LCM of 208, 136, 918, 436
• LCM of 481, 911, 877, 444
• LCM of 262, 179, 543, 316
• LCM of 886, 562, 157, 457
• LCM of 111, 271, 526, 285

1. What is the LCM of 128, 890, 142, 497?

Answer: LCM of 128, 890, 142, 497 is 28309120.

2. How to calculate the LCM of 128, 890, 142, 497?

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 128, 890, 142, 497.

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}.