Given numbers are 690,920,391,330

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

The LCM of 690,920,391,330 is 516120.

Find LCM of 690,920,391,330 with Prime Factorization

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

2 x 3 x 5 x 23 x 1 x 4 x 17 x 11 = 516120

Therefore, the lowest common multiple of 690,920,391,330 is 516120.

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.

690 x 920 x 391 x 330 = 81908244000

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.

690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690

920 : 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920

391 : 1, 17, 23, 391

330 : 1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 690,920,391,330, is 1.

Now, the common factors can be found like this.

690:2x 3x 5x 23

920:2x 2x 2x 5x 23

391:17x 23

330:2x 3x 5x 11

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 5x 5x 23x 23 = 158700

Therefore, the value for common factors is 158700.

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 = 81908244000/(1x158700)

LCM = 81908244000/158700

LCM = 516120

Thus, we can understand that the LCM of 690,920,391,330 is 516120.

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

• LCM of 384, 105, 554, 378
• LCM of 547, 899, 383, 370
• LCM of 431, 627, 267, 847
• LCM of 736, 901, 972, 648
• LCM of 356, 494, 839, 683

1. What is the LCM of 690, 920, 391, 330?

Answer: LCM of 690, 920, 391, 330 is 516120.

2. How to calculate the LCM of 690, 920, 391, 330?

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 690, 920, 391, 330.

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}.