LCM of 857, 179, 753, 870, 690
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 857, 179, 753, 870, 690 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 857, 179, 753, 870, 690. So, keep reading to learn more.
Given numbers are 857,179,753,870,690
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 857,179,753,870,690 is 770468101530.
Find LCM of 857,179,753,870,690 with Prime Factorization
| 2 | 857, 179, 753, 870, 690 |
| 3 | 857, 179, 753, 435, 345 |
| 5 | 857, 179, 251, 145, 115 |
| 857, 179, 251, 29, 23 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 857 x 179 x 251 x 29 x 23 = 770468101530
Therefore, the lowest common multiple of 857,179,753,870,690 is 770468101530.
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.
857 x 179 x 753 x 870 x 690 = 69342129137700
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.
857 : 1, 857
179 : 1, 179
753 : 1, 3, 251, 753
870 : 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 857,179,753,870,690, is 1.
Now, the common factors can be found like this.
857:857
179:179
753:3x 251
870:2x 3x 5x 29
690:2x 3x 5x 23
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 5 = 90
Therefore, the value for common factors is 90.
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 = 69342129137700/(1x90)
LCM = 69342129137700/90
LCM = 770468101530
Thus, we can understand that the LCM of 857,179,753,870,690 is 770468101530.
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FAQs on LCM of 857, 179, 753, 870, 690
1. What is the LCM of 857, 179, 753, 870, 690?
Answer: LCM of 857, 179, 753, 870, 690 is 770468101530.
2. How to calculate the LCM of 857, 179, 753, 870, 690?
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 857, 179, 753, 870, 690.
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}.