LCM of 448, 360, 807, 905
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 448, 360, 807, 905 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 448, 360, 807, 905. So, keep reading to learn more.
Given numbers are 448,360,807,905
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 448,360,807,905 is 981570240.
Find LCM of 448,360,807,905 with Prime Factorization
| 2 | 448, 360, 807, 905 |
| 2 | 224, 180, 807, 905 |
| 2 | 112, 90, 807, 905 |
| 3 | 56, 45, 807, 905 |
| 5 | 56, 15, 269, 905 |
| 56, 3, 269, 181 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 3 x 5 x 56 x 3 x 269 x 181 = 981570240
Therefore, the lowest common multiple of 448,360,807,905 is 981570240.
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.
448 x 360 x 807 x 905 = 117788428800
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.
448 : 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448
360 : 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360
807 : 1, 3, 269, 807
905 : 1, 5, 181, 905
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 448,360,807,905, is 1.
Now, the common factors can be found like this.
448:2x 2x 2x 2x 2x 2x 7
360:2x 2x 2x 3x 3x 5
807:3x 269
905:5x 181
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 = 117788428800/(1x120)
LCM = 117788428800/120
LCM = 981570240
Thus, we can understand that the LCM of 448,360,807,905 is 981570240.
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FAQs on LCM of 448, 360, 807, 905
1. What is the LCM of 448, 360, 807, 905?
Answer: LCM of 448, 360, 807, 905 is 981570240.
2. How to calculate the LCM of 448, 360, 807, 905?
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 448, 360, 807, 905.
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}.