LCM of 774, 402, 154, 763, 805
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 774, 402, 154, 763, 805 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 774, 402, 154, 763, 805. So, keep reading to learn more.
Given numbers are 774,402,154,763,805
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 774,402,154,763,805 is 50053082310.
Find LCM of 774,402,154,763,805 with Prime Factorization
| 2 | 774, 402, 154, 763, 805 |
| 3 | 387, 201, 77, 763, 805 |
| 7 | 129, 67, 77, 763, 805 |
| 129, 67, 11, 109, 115 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 129 x 67 x 11 x 109 x 115 = 50053082310
Therefore, the lowest common multiple of 774,402,154,763,805 is 50053082310.
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.
774 x 402 x 154 x 763 x 805 = 29431212398280
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.
774 : 1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774
402 : 1, 2, 3, 6, 67, 134, 201, 402
154 : 1, 2, 7, 11, 14, 22, 77, 154
763 : 1, 7, 109, 763
805 : 1, 5, 7, 23, 35, 115, 161, 805
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 774,402,154,763,805, is 1.
Now, the common factors can be found like this.
774:2x 3x 3x 43
402:2x 3x 67
154:2x 7x 11
763:7x 109
805:5x 7x 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 2x 3x 7x 7 = 588
Therefore, the value for common factors is 588.
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 = 29431212398280/(1x588)
LCM = 29431212398280/588
LCM = 50053082310
Thus, we can understand that the LCM of 774,402,154,763,805 is 50053082310.
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FAQs on LCM of 774, 402, 154, 763, 805
1. What is the LCM of 774, 402, 154, 763, 805?
Answer: LCM of 774, 402, 154, 763, 805 is 50053082310.
2. How to calculate the LCM of 774, 402, 154, 763, 805?
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 774, 402, 154, 763, 805.
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}.