Given numbers are 642,836,217,679

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

The LCM of 642,836,217,679 is 5648625444.

Find LCM of 642,836,217,679 with Prime Factorization

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

2 x 7 x 321 x 418 x 31 x 97 = 5648625444

Therefore, the lowest common multiple of 642,836,217,679 is 5648625444.

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.

642 x 836 x 217 x 679 = 79080756216

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.

642 : 1, 2, 3, 6, 107, 214, 321, 642

836 : 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836

217 : 1, 7, 31, 217

679 : 1, 7, 97, 679

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 642,836,217,679, is 1.

Now, the common factors can be found like this.

642:2x 3x 107

836:2x 2x 11x 19

217:7x 31

679:7x 97

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

2x 7 = 14

Therefore, the value for common factors is 14.

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 = 79080756216/(1x14)

LCM = 79080756216/14

LCM = 5648625444

Thus, we can understand that the LCM of 642,836,217,679 is 5648625444.

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

• LCM of 895, 934, 663, 540
• LCM of 972, 332, 705, 649
• LCM of 176, 200, 264, 518
• LCM of 677, 290, 338, 292
• LCM of 437, 487, 737, 613

1. What is the LCM of 642, 836, 217, 679?

Answer: LCM of 642, 836, 217, 679 is 5648625444.

2. How to calculate the LCM of 642, 836, 217, 679?

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 642, 836, 217, 679.

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}.