Given numbers are 421,445,421,284

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

The LCM of 421,445,421,284 is 53205980.

Find LCM of 421,445,421,284 with Prime Factorization

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

421 x 1 x 445 x 1 x 284 = 53205980

Therefore, the lowest common multiple of 421,445,421,284 is 53205980.

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.

421 x 445 x 421 x 284 = 22399717580

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.

421 : 1, 421

445 : 1, 5, 89, 445

421 : 1, 421

284 : 1, 2, 4, 71, 142, 284

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 421,445,421,284, is 1.

Now, the common factors can be found like this.

421:421

445:5x 89

421:421

284:2x 2x 71

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

421 = 421

Therefore, the value for common factors is 421.

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 = 22399717580/(1x421)

LCM = 22399717580/421

LCM = 53205980

Thus, we can understand that the LCM of 421,445,421,284 is 53205980.

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

• LCM of 316, 969, 731, 261
• LCM of 743, 690, 443, 449
• LCM of 997, 255, 415, 895
• LCM of 253, 104, 152, 414
• LCM of 158, 943, 115, 331

1. What is the LCM of 421, 445, 421, 284?

Answer: LCM of 421, 445, 421, 284 is 53205980.

2. How to calculate the LCM of 421, 445, 421, 284?

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 421, 445, 421, 284.

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}.