Given numbers are 421,572,847,221

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

The LCM of 421,572,847,221 is 315222908.

Find LCM of 421,572,847,221 with Prime Factorization

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

11 x 13 x 421 x 4 x 77 x 17 = 315222908

Therefore, the lowest common multiple of 421,572,847,221 is 315222908.

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 572 x 847 x 221 = 45076875844

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

572 : 1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572

847 : 1, 7, 11, 77, 121, 847

221 : 1, 13, 17, 221

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 421,572,847,221, is 1.

Now, the common factors can be found like this.

421:421

572:2x 2x 11x 13

847:7x 11x 11

221:13x 17

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

11x 13 = 143

Therefore, the value for common factors is 143.

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 = 45076875844/(1x143)

LCM = 45076875844/143

LCM = 315222908

Thus, we can understand that the LCM of 421,572,847,221 is 315222908.

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

• LCM of 118, 105, 710, 281
• LCM of 324, 705, 890, 457
• LCM of 261, 772, 583, 332
• LCM of 358, 339, 453, 553
• LCM of 542, 945, 684, 999

1. What is the LCM of 421, 572, 847, 221?

Answer: LCM of 421, 572, 847, 221 is 315222908.

2. How to calculate the LCM of 421, 572, 847, 221?

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, 572, 847, 221.

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}.