Given numbers are 128,906,528,809,421

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

The LCM of 128,906,528,809,421 is 217235838336.

Find LCM of 128,906,528,809,421 with Prime Factorization

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

2 x 2 x 2 x 2 x 3 x 8 x 151 x 11 x 809 x 421 = 217235838336

Therefore, the lowest common multiple of 128,906,528,809,421 is 217235838336.

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 906 x 528 x 809 x 421 = 20854640480256

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

906 : 1, 2, 3, 6, 151, 302, 453, 906

528 : 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528

809 : 1, 809

421 : 1, 421

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 128,906,528,809,421, is 1.

Now, the common factors can be found like this.

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

906:2x 3x 151

528:2x 2x 2x 2x 3x 11

809:809

421:421

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 2x 3 = 96

Therefore, the value for common factors is 96.

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 = 20854640480256/(1x96)

LCM = 20854640480256/96

LCM = 217235838336

Thus, we can understand that the LCM of 128,906,528,809,421 is 217235838336.

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

• LCM of 495, 505, 340, 477, 804
• LCM of 844, 906, 552, 430, 608
• LCM of 615, 879, 683, 309, 463
• LCM of 587, 925, 269, 150, 385
• LCM of 833, 221, 691, 955, 387

1. What is the LCM of 128, 906, 528, 809, 421?

Answer: LCM of 128, 906, 528, 809, 421 is 217235838336.

2. How to calculate the LCM of 128, 906, 528, 809, 421?

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, 906, 528, 809, 421.

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}.