Given numbers are 987,445,423,857

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

The LCM of 987,445,423,857 is 1129221765.

Find LCM of 987,445,423,857 with Prime Factorization

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

3 x 47 x 7 x 445 x 3 x 857 = 1129221765

Therefore, the lowest common multiple of 987,445,423,857 is 1129221765.

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.

987 x 445 x 423 x 857 = 159220268865

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.

987 : 1, 3, 7, 21, 47, 141, 329, 987

445 : 1, 5, 89, 445

423 : 1, 3, 9, 47, 141, 423

857 : 1, 857

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 987,445,423,857, is 1.

Now, the common factors can be found like this.

987:3x 7x 47

445:5x 89

423:3x 3x 47

857:857

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

3x 47 = 141

Therefore, the value for common factors is 141.

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 = 159220268865/(1x141)

LCM = 159220268865/141

LCM = 1129221765

Thus, we can understand that the LCM of 987,445,423,857 is 1129221765.

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

• LCM of 732, 468, 973, 569
• LCM of 414, 859, 618, 778
• LCM of 367, 696, 762, 401
• LCM of 962, 868, 118, 150
• LCM of 891, 465, 863, 688

1. What is the LCM of 987, 445, 423, 857?

Answer: LCM of 987, 445, 423, 857 is 1129221765.

2. How to calculate the LCM of 987, 445, 423, 857?

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 987, 445, 423, 857.

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}.