LCM of 978, 884, 822, 924
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 978, 884, 822, 924 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 978, 884, 822, 924. So, keep reading to learn more.
Given numbers are 978,884,822,924
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 978,884,822,924 is 4560079524.
Find LCM of 978,884,822,924 with Prime Factorization
| 2 | 978, 884, 822, 924 |
| 2 | 489, 442, 411, 462 |
| 3 | 489, 221, 411, 231 |
| 163, 221, 137, 77 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 163 x 221 x 137 x 77 = 4560079524
Therefore, the lowest common multiple of 978,884,822,924 is 4560079524.
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.
978 x 884 x 822 x 924 = 656651451456
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.
978 : 1, 2, 3, 6, 163, 326, 489, 978
884 : 1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884
822 : 1, 2, 3, 6, 137, 274, 411, 822
924 : 1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 978,884,822,924, is 2.
Now, the common factors can be found like this.
978:2x 3x 163
884:2x 2x 13x 17
822:2x 3x 137
924:2x 2x 3x 7x 11
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 = 656651451456/(2x72)
LCM = 656651451456/144
LCM = 4560079524
Thus, we can understand that the LCM of 978,884,822,924 is 4560079524.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 978, 884, 822, 924
1. What is the LCM of 978, 884, 822, 924?
Answer: LCM of 978, 884, 822, 924 is 4560079524.
2. How to calculate the LCM of 978, 884, 822, 924?
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 978, 884, 822, 924.
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}.