Given numbers are 163,780,286,689

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

The LCM of 163,780,286,689 is 74122620.

Find LCM of 163,780,286,689 with Prime Factorization

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

2 x 13 x 163 x 30 x 11 x 53 = 74122620

Therefore, the lowest common multiple of 163,780,286,689 is 74122620.

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.

163 x 780 x 286 x 689 = 25053445560

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.

163 : 1, 163

780 : 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

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

689 : 1, 13, 53, 689

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 163,780,286,689, is 1.

Now, the common factors can be found like this.

163:163

780:2x 2x 3x 5x 13

286:2x 11x 13

689:13x 53

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

2x 13x 13 = 338

Therefore, the value for common factors is 338.

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 = 25053445560/(1x338)

LCM = 25053445560/338

LCM = 74122620

Thus, we can understand that the LCM of 163,780,286,689 is 74122620.

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

• LCM of 864, 343, 765, 176
• LCM of 164, 524, 204, 400
• LCM of 338, 803, 418, 491
• LCM of 404, 754, 216, 193
• LCM of 130, 925, 132, 507

1. What is the LCM of 163, 780, 286, 689?

Answer: LCM of 163, 780, 286, 689 is 74122620.

2. How to calculate the LCM of 163, 780, 286, 689?

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 163, 780, 286, 689.

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}.