LCM of 221, 993, 138, 166
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 221, 993, 138, 166 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 221, 993, 138, 166. So, keep reading to learn more.
Given numbers are 221,993,138,166
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 221,993,138,166 is 837871554.
Find LCM of 221,993,138,166 with Prime Factorization
| 2 | 221, 993, 138, 166 |
| 3 | 221, 993, 69, 83 |
| 221, 331, 23, 83 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 221 x 331 x 23 x 83 = 837871554
Therefore, the lowest common multiple of 221,993,138,166 is 837871554.
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.
221 x 993 x 138 x 166 = 5027229324
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.
221 : 1, 13, 17, 221
993 : 1, 3, 331, 993
138 : 1, 2, 3, 6, 23, 46, 69, 138
166 : 1, 2, 83, 166
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 221,993,138,166, is 1.
Now, the common factors can be found like this.
221:13x 17
993:3x 331
138:2x 3x 23
166:2x 83
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3 = 6
Therefore, the value for common factors is 6.
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 = 5027229324/(1x6)
LCM = 5027229324/6
LCM = 837871554
Thus, we can understand that the LCM of 221,993,138,166 is 837871554.
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FAQs on LCM of 221, 993, 138, 166
1. What is the LCM of 221, 993, 138, 166?
Answer: LCM of 221, 993, 138, 166 is 837871554.
2. How to calculate the LCM of 221, 993, 138, 166?
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 221, 993, 138, 166.
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}.