LCM of 361, 231, 992, 238, 978
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 361, 231, 992, 238, 978 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 361, 231, 992, 238, 978. So, keep reading to learn more.
Given numbers are 361,231,992,238,978
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 361,231,992,238,978 is 229227849312.
Find LCM of 361,231,992,238,978 with Prime Factorization
| 2 | 361, 231, 992, 238, 978 |
| 3 | 361, 231, 496, 119, 489 |
| 7 | 361, 77, 496, 119, 163 |
| 361, 11, 496, 17, 163 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 361 x 11 x 496 x 17 x 163 = 229227849312
Therefore, the lowest common multiple of 361,231,992,238,978 is 229227849312.
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.
361 x 231 x 992 x 238 x 978 = 19255139342208
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.
361 : 1, 19, 361
231 : 1, 3, 7, 11, 21, 33, 77, 231
992 : 1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992
238 : 1, 2, 7, 14, 17, 34, 119, 238
978 : 1, 2, 3, 6, 163, 326, 489, 978
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 361,231,992,238,978, is 1.
Now, the common factors can be found like this.
361:19x 19
231:3x 7x 11
992:2x 2x 2x 2x 2x 31
238:2x 7x 17
978:2x 3x 163
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 7 = 84
Therefore, the value for common factors is 84.
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 = 19255139342208/(1x84)
LCM = 19255139342208/84
LCM = 229227849312
Thus, we can understand that the LCM of 361,231,992,238,978 is 229227849312.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 361, 231, 992, 238, 978
1. What is the LCM of 361, 231, 992, 238, 978?
Answer: LCM of 361, 231, 992, 238, 978 is 229227849312.
2. How to calculate the LCM of 361, 231, 992, 238, 978?
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 361, 231, 992, 238, 978.
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}.