LCM of 144, 110, 722, 420
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 144, 110, 722, 420 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 144, 110, 722, 420. So, keep reading to learn more.
Given numbers are 144,110,722,420
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 144,110,722,420 is 20013840.
Find LCM of 144,110,722,420 with Prime Factorization
| 2 | 144, 110, 722, 420 |
| 2 | 72, 55, 361, 210 |
| 3 | 36, 55, 361, 105 |
| 5 | 12, 55, 361, 35 |
| 12, 11, 361, 7 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 5 x 12 x 11 x 361 x 7 = 20013840
Therefore, the lowest common multiple of 144,110,722,420 is 20013840.
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.
144 x 110 x 722 x 420 = 4803321600
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.
144 : 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
110 : 1, 2, 5, 10, 11, 22, 55, 110
722 : 1, 2, 19, 38, 361, 722
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
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 144,110,722,420, is 2.
Now, the common factors can be found like this.
144:2x 2x 2x 2x 3x 3
110:2x 5x 11
722:2x 19x 19
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 2x 2x 3x 5 = 120
Therefore, the value for common factors is 120.
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 = 4803321600/(2x120)
LCM = 4803321600/240
LCM = 20013840
Thus, we can understand that the LCM of 144,110,722,420 is 20013840.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 144, 110, 722, 420
1. What is the LCM of 144, 110, 722, 420?
Answer: LCM of 144, 110, 722, 420 is 20013840.
2. How to calculate the LCM of 144, 110, 722, 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 144, 110, 722, 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}.