LCM of 945, 561, 947, 341, 812
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 945, 561, 947, 341, 812 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 945, 561, 947, 341, 812. So, keep reading to learn more.
Given numbers are 945,561,947,341,812
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 945,561,947,341,812 is 601787381580.
Find LCM of 945,561,947,341,812 with Prime Factorization
| 3 | 945, 561, 947, 341, 812 |
| 7 | 315, 187, 947, 341, 812 |
| 11 | 45, 187, 947, 341, 116 |
| 45, 17, 947, 31, 116 |
Multiply the prime numbers at the bottom and the left side.
3 x 7 x 11 x 45 x 17 x 947 x 31 x 116 = 601787381580
Therefore, the lowest common multiple of 945,561,947,341,812 is 601787381580.
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.
945 x 561 x 947 x 341 x 812 = 139012885144980
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.
945 : 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
561 : 1, 3, 11, 17, 33, 51, 187, 561
947 : 1, 947
341 : 1, 11, 31, 341
812 : 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 945,561,947,341,812, is 1.
Now, the common factors can be found like this.
945:3x 3x 3x 5x 7
561:3x 11x 17
947:947
341:11x 31
812:2x 2x 7x 29
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 7x 11 = 231
Therefore, the value for common factors is 231.
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 = 139012885144980/(1x231)
LCM = 139012885144980/231
LCM = 601787381580
Thus, we can understand that the LCM of 945,561,947,341,812 is 601787381580.
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FAQs on LCM of 945, 561, 947, 341, 812
1. What is the LCM of 945, 561, 947, 341, 812?
Answer: LCM of 945, 561, 947, 341, 812 is 601787381580.
2. How to calculate the LCM of 945, 561, 947, 341, 812?
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 945, 561, 947, 341, 812.
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}.