LCM of 972, 103, 538, 121, 342
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 972, 103, 538, 121, 342 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 972, 103, 538, 121, 342. So, keep reading to learn more.
Given numbers are 972,103,538,121,342
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 972,103,538,121,342 is 61914837996.
Find LCM of 972,103,538,121,342 with Prime Factorization
| 2 | 972, 103, 538, 121, 342 |
| 3 | 486, 103, 269, 121, 171 |
| 3 | 162, 103, 269, 121, 57 |
| 54, 103, 269, 121, 19 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 54 x 103 x 269 x 121 x 19 = 61914837996
Therefore, the lowest common multiple of 972,103,538,121,342 is 61914837996.
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.
972 x 103 x 538 x 121 x 342 = 2228934167856
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.
972 : 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
103 : 1, 103
538 : 1, 2, 269, 538
121 : 1, 11, 121
342 : 1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 972,103,538,121,342, is 1.
Now, the common factors can be found like this.
972:2x 2x 3x 3x 3x 3x 3
103:103
538:2x 269
121:11x 11
342:2x 3x 3x 19
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 3 = 36
Therefore, the value for common factors is 36.
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 = 2228934167856/(1x36)
LCM = 2228934167856/36
LCM = 61914837996
Thus, we can understand that the LCM of 972,103,538,121,342 is 61914837996.
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FAQs on LCM of 972, 103, 538, 121, 342
1. What is the LCM of 972, 103, 538, 121, 342?
Answer: LCM of 972, 103, 538, 121, 342 is 61914837996.
2. How to calculate the LCM of 972, 103, 538, 121, 342?
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 972, 103, 538, 121, 342.
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}.