LCM of 105, 969, 282, 802, 972
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 105, 969, 282, 802, 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 105, 969, 282, 802, 972. So, keep reading to learn more.
Given numbers are 105,969,282,802,972
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 105,969,282,802,972 is 207099505620.
Find LCM of 105,969,282,802,972 with Prime Factorization
| 2 | 105, 969, 282, 802, 972 |
| 3 | 105, 969, 141, 401, 486 |
| 35, 323, 47, 401, 162 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 35 x 323 x 47 x 401 x 162 = 207099505620
Therefore, the lowest common multiple of 105,969,282,802,972 is 207099505620.
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.
105 x 969 x 282 x 802 x 972 = 22366746606960
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.
105 : 1, 3, 5, 7, 15, 21, 35, 105
969 : 1, 3, 17, 19, 51, 57, 323, 969
282 : 1, 2, 3, 6, 47, 94, 141, 282
802 : 1, 2, 401, 802
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 105,969,282,802,972, is 1.
Now, the common factors can be found like this.
105:3x 5x 7
969:3x 17x 19
282:2x 3x 47
802:2x 401
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 3x 3x 3 = 108
Therefore, the value for common factors is 108.
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 = 22366746606960/(1x108)
LCM = 22366746606960/108
LCM = 207099505620
Thus, we can understand that the LCM of 105,969,282,802,972 is 207099505620.
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FAQs on LCM of 105, 969, 282, 802, 972
1. What is the LCM of 105, 969, 282, 802, 972?
Answer: LCM of 105, 969, 282, 802, 972 is 207099505620.
2. How to calculate the LCM of 105, 969, 282, 802, 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 105, 969, 282, 802, 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}.