LCM of 298, 858, 561, 375, 991
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 298, 858, 561, 375, 991 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 298, 858, 561, 375, 991. So, keep reading to learn more.
Given numbers are 298,858,561,375,991
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 298,858,561,375,991 is 269219271750.
Find LCM of 298,858,561,375,991 with Prime Factorization
| 2 | 298, 858, 561, 375, 991 |
| 3 | 149, 429, 561, 375, 991 |
| 11 | 149, 143, 187, 125, 991 |
| 149, 13, 17, 125, 991 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 149 x 13 x 17 x 125 x 991 = 269219271750
Therefore, the lowest common multiple of 298,858,561,375,991 is 269219271750.
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.
298 x 858 x 561 x 375 x 991 = 53305415806500
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.
298 : 1, 2, 149, 298
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
561 : 1, 3, 11, 17, 33, 51, 187, 561
375 : 1, 3, 5, 15, 25, 75, 125, 375
991 : 1, 991
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 298,858,561,375,991, is 1.
Now, the common factors can be found like this.
298:2x 149
858:2x 3x 11x 13
561:3x 11x 17
375:3x 5x 5x 5
991:991
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3x 11 = 198
Therefore, the value for common factors is 198.
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 = 53305415806500/(1x198)
LCM = 53305415806500/198
LCM = 269219271750
Thus, we can understand that the LCM of 298,858,561,375,991 is 269219271750.
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FAQs on LCM of 298, 858, 561, 375, 991
1. What is the LCM of 298, 858, 561, 375, 991?
Answer: LCM of 298, 858, 561, 375, 991 is 269219271750.
2. How to calculate the LCM of 298, 858, 561, 375, 991?
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 298, 858, 561, 375, 991.
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}.