Given numbers are 253,471,218,420

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

The LCM of 253,471,218,420 is 1818427380.

Find LCM of 253,471,218,420 with Prime Factorization

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

2 x 3 x 253 x 157 x 109 x 70 = 1818427380

Therefore, the lowest common multiple of 253,471,218,420 is 1818427380.

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.

253 x 471 x 218 x 420 = 10910564280

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.

253 : 1, 11, 23, 253

471 : 1, 3, 157, 471

218 : 1, 2, 109, 218

420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 253,471,218,420, is 1.

Now, the common factors can be found like this.

253:11x 23

471:3x 157

218:2x 109

420:2x 2x 3x 5x 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 3 = 6

Therefore, the value for common factors is 6.

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 = 10910564280/(1x6)

LCM = 10910564280/6

LCM = 1818427380

Thus, we can understand that the LCM of 253,471,218,420 is 1818427380.

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

• LCM of 600, 229, 406, 320
• LCM of 606, 569, 836, 939
• LCM of 314, 607, 697, 923
• LCM of 999, 649, 670, 173
• LCM of 590, 644, 685, 478

1. What is the LCM of 253, 471, 218, 420?

Answer: LCM of 253, 471, 218, 420 is 1818427380.

2. How to calculate the LCM of 253, 471, 218, 420?

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 253, 471, 218, 420.

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}.