Given numbers are 720,254,137,620

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

The LCM of 720,254,137,620 is 388345680.

Find LCM of 720,254,137,620 with Prime Factorization

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

2 x 2 x 5 x 36 x 127 x 137 x 31 = 388345680

Therefore, the lowest common multiple of 720,254,137,620 is 388345680.

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.

720 x 254 x 137 x 620 = 15533827200

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.

720 : 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720

254 : 1, 2, 127, 254

137 : 1, 137

620 : 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 720,254,137,620, is 1.

Now, the common factors can be found like this.

720:2x 2x 2x 2x 3x 3x 5

254:2x 127

137:137

620:2x 2x 5x 31

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 5 = 40

Therefore, the value for common factors is 40.

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 = 15533827200/(1x40)

LCM = 15533827200/40

LCM = 388345680

Thus, we can understand that the LCM of 720,254,137,620 is 388345680.

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

• LCM of 929, 822, 966, 521
• LCM of 610, 273, 591, 847
• LCM of 870, 634, 144, 383
• LCM of 328, 908, 136, 147
• LCM of 503, 783, 484, 452

1. What is the LCM of 720, 254, 137, 620?

Answer: LCM of 720, 254, 137, 620 is 388345680.

2. How to calculate the LCM of 720, 254, 137, 620?

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 720, 254, 137, 620.

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}.