LCM of 155, 556, 988, 874, 938
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 155, 556, 988, 874, 938 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 155, 556, 988, 874, 938. So, keep reading to learn more.
Given numbers are 155,556,988,874,938
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 155,556,988,874,938 is 229617044020.
Find LCM of 155,556,988,874,938 with Prime Factorization
| 2 | 155, 556, 988, 874, 938 |
| 2 | 155, 278, 494, 437, 469 |
| 19 | 155, 139, 247, 437, 469 |
| 155, 139, 13, 23, 469 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 19 x 155 x 139 x 13 x 23 x 469 = 229617044020
Therefore, the lowest common multiple of 155,556,988,874,938 is 229617044020.
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.
155 x 556 x 988 x 874 x 938 = 69803581382080
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.
155 : 1, 5, 31, 155
556 : 1, 2, 4, 139, 278, 556
988 : 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988
874 : 1, 2, 19, 23, 38, 46, 437, 874
938 : 1, 2, 7, 14, 67, 134, 469, 938
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 155,556,988,874,938, is 1.
Now, the common factors can be found like this.
155:5x 31
556:2x 2x 139
988:2x 2x 13x 19
874:2x 19x 23
938:2x 7x 67
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 2x 2x 19 = 304
Therefore, the value for common factors is 304.
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 = 69803581382080/(1x304)
LCM = 69803581382080/304
LCM = 229617044020
Thus, we can understand that the LCM of 155,556,988,874,938 is 229617044020.
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FAQs on LCM of 155, 556, 988, 874, 938
1. What is the LCM of 155, 556, 988, 874, 938?
Answer: LCM of 155, 556, 988, 874, 938 is 229617044020.
2. How to calculate the LCM of 155, 556, 988, 874, 938?
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 155, 556, 988, 874, 938.
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}.