Given numbers are 840,545,521,521

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

The LCM of 840,545,521,521 is 47702760.

Find LCM of 840,545,521,521 with Prime Factorization

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

5 x 521 x 168 x 109 x 1 x 1 = 47702760

Therefore, the lowest common multiple of 840,545,521,521 is 47702760.

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.

840 x 545 x 521 x 521 = 124265689800

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.

840 : 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840

545 : 1, 5, 109, 545

521 : 1, 521

521 : 1, 521

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 840,545,521,521, is 1.

Now, the common factors can be found like this.

840:2x 2x 2x 3x 5x 7

545:5x 109

521:521

521:521

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

5x 521 = 2605

Therefore, the value for common factors is 2605.

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 = 124265689800/(1x2605)

LCM = 124265689800/2605

LCM = 47702760

Thus, we can understand that the LCM of 840,545,521,521 is 47702760.

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

• LCM of 757, 308, 773, 594
• LCM of 661, 920, 708, 612
• LCM of 928, 378, 720, 301
• LCM of 162, 538, 468, 665
• LCM of 807, 469, 160, 480

1. What is the LCM of 840, 545, 521, 521?

Answer: LCM of 840, 545, 521, 521 is 47702760.

2. How to calculate the LCM of 840, 545, 521, 521?

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 840, 545, 521, 521.

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}.