Given numbers are 407,978,721,489

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

The LCM of 407,978,721,489 is 286991166.

Find LCM of 407,978,721,489 with Prime Factorization

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

3 x 163 x 407 x 2 x 721 x 1 = 286991166

Therefore, the lowest common multiple of 407,978,721,489 is 286991166.

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.

407 x 978 x 721 x 489 = 140338680174

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.

407 : 1, 11, 37, 407

978 : 1, 2, 3, 6, 163, 326, 489, 978

721 : 1, 7, 103, 721

489 : 1, 3, 163, 489

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 407,978,721,489, is 1.

Now, the common factors can be found like this.

407:11x 37

978:2x 3x 163

721:7x 103

489:3x 163

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

3x 163 = 489

Therefore, the value for common factors is 489.

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 = 140338680174/(1x489)

LCM = 140338680174/489

LCM = 286991166

Thus, we can understand that the LCM of 407,978,721,489 is 286991166.

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

• LCM of 887, 685, 700, 464
• LCM of 774, 677, 526, 670
• LCM of 590, 822, 719, 112
• LCM of 558, 426, 556, 549
• LCM of 679, 666, 670, 647

1. What is the LCM of 407, 978, 721, 489?

Answer: LCM of 407, 978, 721, 489 is 286991166.

2. How to calculate the LCM of 407, 978, 721, 489?

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 407, 978, 721, 489.

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}.