LCM of 771, 901, 899, 870, 646
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 771, 901, 899, 870, 646 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 771, 901, 899, 870, 646. So, keep reading to learn more.
Given numbers are 771,901,899,870,646
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 771,901,899,870,646 is 118656753510.
Find LCM of 771,901,899,870,646 with Prime Factorization
| 2 | 771, 901, 899, 870, 646 |
| 3 | 771, 901, 899, 435, 323 |
| 17 | 257, 901, 899, 145, 323 |
| 29 | 257, 53, 899, 145, 19 |
| 257, 53, 31, 5, 19 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 17 x 29 x 257 x 53 x 31 x 5 x 19 = 118656753510
Therefore, the lowest common multiple of 771,901,899,870,646 is 118656753510.
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.
771 x 901 x 899 x 870 x 646 = 350986676882580
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.
771 : 1, 3, 257, 771
901 : 1, 17, 53, 901
899 : 1, 29, 31, 899
870 : 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
646 : 1, 2, 17, 19, 34, 38, 323, 646
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 771,901,899,870,646, is 1.
Now, the common factors can be found like this.
771:3x 257
901:17x 53
899:29x 31
870:2x 3x 5x 29
646:2x 17x 19
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 17x 29 = 2958
Therefore, the value for common factors is 2958.
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 = 350986676882580/(1x2958)
LCM = 350986676882580/2958
LCM = 118656753510
Thus, we can understand that the LCM of 771,901,899,870,646 is 118656753510.
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FAQs on LCM of 771, 901, 899, 870, 646
1. What is the LCM of 771, 901, 899, 870, 646?
Answer: LCM of 771, 901, 899, 870, 646 is 118656753510.
2. How to calculate the LCM of 771, 901, 899, 870, 646?
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 771, 901, 899, 870, 646.
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}.