LCM of 665, 781, 784, 965
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 665, 781, 784, 965 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 665, 781, 784, 965. So, keep reading to learn more.
Given numbers are 665,781,784,965
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 665,781,784,965 is 11226593840.
Find LCM of 665,781,784,965 with Prime Factorization
| 5 | 665, 781, 784, 965 |
| 7 | 133, 781, 784, 193 |
| 19, 781, 112, 193 |
Multiply the prime numbers at the bottom and the left side.
5 x 7 x 19 x 781 x 112 x 193 = 11226593840
Therefore, the lowest common multiple of 665,781,784,965 is 11226593840.
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.
665 x 781 x 784 x 965 = 392930784400
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.
665 : 1, 5, 7, 19, 35, 95, 133, 665
781 : 1, 11, 71, 781
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
965 : 1, 5, 193, 965
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 665,781,784,965, is 1.
Now, the common factors can be found like this.
665:5x 7x 19
781:11x 71
784:2x 2x 2x 2x 7x 7
965:5x 193
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
5x 7 = 35
Therefore, the value for common factors is 35.
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 = 392930784400/(1x35)
LCM = 392930784400/35
LCM = 11226593840
Thus, we can understand that the LCM of 665,781,784,965 is 11226593840.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 665, 781, 784, 965
1. What is the LCM of 665, 781, 784, 965?
Answer: LCM of 665, 781, 784, 965 is 11226593840.
2. How to calculate the LCM of 665, 781, 784, 965?
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 665, 781, 784, 965.
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}.