LCM of 635, 420, 551, 870
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 635, 420, 551, 870 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 635, 420, 551, 870. So, keep reading to learn more.
Given numbers are 635,420,551,870
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 635,420,551,870 is 29390340.
Find LCM of 635,420,551,870 with Prime Factorization
| 2 | 635, 420, 551, 870 |
| 3 | 635, 210, 551, 435 |
| 5 | 635, 70, 551, 145 |
| 29 | 127, 14, 551, 29 |
| 127, 14, 19, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 29 x 127 x 14 x 19 x 1 = 29390340
Therefore, the lowest common multiple of 635,420,551,870 is 29390340.
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.
635 x 420 x 551 x 870 = 127847979000
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.
635 : 1, 5, 127, 635
420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
551 : 1, 19, 29, 551
870 : 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 635,420,551,870, is 1.
Now, the common factors can be found like this.
635:5x 127
420:2x 2x 3x 5x 7
551:19x 29
870:2x 3x 5x 29
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 5x 5x 29 = 4350
Therefore, the value for common factors is 4350.
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 = 127847979000/(1x4350)
LCM = 127847979000/4350
LCM = 29390340
Thus, we can understand that the LCM of 635,420,551,870 is 29390340.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 635, 420, 551, 870
1. What is the LCM of 635, 420, 551, 870?
Answer: LCM of 635, 420, 551, 870 is 29390340.
2. How to calculate the LCM of 635, 420, 551, 870?
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 635, 420, 551, 870.
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}.