LCM of 216, 894, 947, 972
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 216, 894, 947, 972 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 216, 894, 947, 972. So, keep reading to learn more.
Given numbers are 216,894,947,972
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 216,894,947,972 is 274304232.
Find LCM of 216,894,947,972 with Prime Factorization
| 2 | 216, 894, 947, 972 |
| 2 | 108, 447, 947, 486 |
| 3 | 54, 447, 947, 243 |
| 3 | 18, 149, 947, 81 |
| 3 | 6, 149, 947, 27 |
| 2, 149, 947, 9 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 3 x 3 x 2 x 149 x 947 x 9 = 274304232
Therefore, the lowest common multiple of 216,894,947,972 is 274304232.
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.
216 x 894 x 947 x 972 = 177749142336
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.
216 : 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216
894 : 1, 2, 3, 6, 149, 298, 447, 894
947 : 1, 947
972 : 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 216,894,947,972, is 1.
Now, the common factors can be found like this.
216:2x 2x 2x 3x 3x 3
894:2x 3x 149
947:947
972:2x 2x 3x 3x 3x 3x 3
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 3x 3x 3 = 648
Therefore, the value for common factors is 648.
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 = 177749142336/(1x648)
LCM = 177749142336/648
LCM = 274304232
Thus, we can understand that the LCM of 216,894,947,972 is 274304232.
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FAQs on LCM of 216, 894, 947, 972
1. What is the LCM of 216, 894, 947, 972?
Answer: LCM of 216, 894, 947, 972 is 274304232.
2. How to calculate the LCM of 216, 894, 947, 972?
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 216, 894, 947, 972.
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}.