LCM of 756, 828, 787, 346
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 756, 828, 787, 346 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 756, 828, 787, 346. So, keep reading to learn more.
Given numbers are 756,828,787,346
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 756,828,787,346 is 2367393588.
Find LCM of 756,828,787,346 with Prime Factorization
| 2 | 756, 828, 787, 346 |
| 2 | 378, 414, 787, 173 |
| 3 | 189, 207, 787, 173 |
| 3 | 63, 69, 787, 173 |
| 21, 23, 787, 173 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 3 x 21 x 23 x 787 x 173 = 2367393588
Therefore, the lowest common multiple of 756,828,787,346 is 2367393588.
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.
756 x 828 x 787 x 346 = 170452338336
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.
756 : 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756
828 : 1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828
787 : 1, 787
346 : 1, 2, 173, 346
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 756,828,787,346, is 1.
Now, the common factors can be found like this.
756:2x 2x 3x 3x 3x 7
828:2x 2x 3x 3x 23
787:787
346:2x 173
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 3x 3 = 72
Therefore, the value for common factors is 72.
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 = 170452338336/(1x72)
LCM = 170452338336/72
LCM = 2367393588
Thus, we can understand that the LCM of 756,828,787,346 is 2367393588.
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FAQs on LCM of 756, 828, 787, 346
1. What is the LCM of 756, 828, 787, 346?
Answer: LCM of 756, 828, 787, 346 is 2367393588.
2. How to calculate the LCM of 756, 828, 787, 346?
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 756, 828, 787, 346.
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}.