Given numbers are 128,198,609,980

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

The LCM of 128,198,609,980 is 90034560.

Find LCM of 128,198,609,980 with Prime Factorization

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

2 x 2 x 3 x 7 x 32 x 33 x 29 x 35 = 90034560

Therefore, the lowest common multiple of 128,198,609,980 is 90034560.

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 198 x 609 x 980 = 15125806080

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

198 : 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198

609 : 1, 3, 7, 21, 29, 87, 203, 609

980 : 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 128,198,609,980, is 1.

Now, the common factors can be found like this.

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

198:2x 3x 3x 11

609:3x 7x 29

980:2x 2x 5x 7x 7

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 3x 7 = 168

Therefore, the value for common factors is 168.

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 = 15125806080/(1x168)

LCM = 15125806080/168

LCM = 90034560

Thus, we can understand that the LCM of 128,198,609,980 is 90034560.

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

• LCM of 825, 329, 671, 387
• LCM of 893, 860, 828, 779
• LCM of 340, 268, 554, 254
• LCM of 980, 145, 577, 243
• LCM of 514, 211, 584, 492

1. What is the LCM of 128, 198, 609, 980?

Answer: LCM of 128, 198, 609, 980 is 90034560.

2. How to calculate the LCM of 128, 198, 609, 980?

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, 198, 609, 980.

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}.