LCM of 154, 158, 721, 144, 964
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 154, 158, 721, 144, 964 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 154, 158, 721, 144, 964. So, keep reading to learn more.
Given numbers are 154,158,721,144,964
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 154,158,721,144,964 is 21743756496.
Find LCM of 154,158,721,144,964 with Prime Factorization
| 2 | 154, 158, 721, 144, 964 |
| 2 | 77, 79, 721, 72, 482 |
| 7 | 77, 79, 721, 36, 241 |
| 11, 79, 103, 36, 241 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 7 x 11 x 79 x 103 x 36 x 241 = 21743756496
Therefore, the lowest common multiple of 154,158,721,144,964 is 21743756496.
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.
154 x 158 x 721 x 144 x 964 = 2435300727552
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.
154 : 1, 2, 7, 11, 14, 22, 77, 154
158 : 1, 2, 79, 158
721 : 1, 7, 103, 721
144 : 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
964 : 1, 2, 4, 241, 482, 964
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 154,158,721,144,964, is 1.
Now, the common factors can be found like this.
154:2x 7x 11
158:2x 79
721:7x 103
144:2x 2x 2x 2x 3x 3
964:2x 2x 241
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 2x 7 = 112
Therefore, the value for common factors is 112.
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 = 2435300727552/(1x112)
LCM = 2435300727552/112
LCM = 21743756496
Thus, we can understand that the LCM of 154,158,721,144,964 is 21743756496.
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FAQs on LCM of 154, 158, 721, 144, 964
1. What is the LCM of 154, 158, 721, 144, 964?
Answer: LCM of 154, 158, 721, 144, 964 is 21743756496.
2. How to calculate the LCM of 154, 158, 721, 144, 964?
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 154, 158, 721, 144, 964.
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}.