LCM of 749, 847, 801, 685, 765
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 749, 847, 801, 685, 765 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 749, 847, 801, 685, 765. So, keep reading to learn more.
Given numbers are 749,847,801,685,765
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 749,847,801,685,765 is 845355138705.
Find LCM of 749,847,801,685,765 with Prime Factorization
| 3 | 749, 847, 801, 685, 765 |
| 3 | 749, 847, 267, 685, 255 |
| 5 | 749, 847, 89, 685, 85 |
| 7 | 749, 847, 89, 137, 17 |
| 107, 121, 89, 137, 17 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 7 x 107 x 121 x 89 x 137 x 17 = 845355138705
Therefore, the lowest common multiple of 749,847,801,685,765 is 845355138705.
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.
749 x 847 x 801 x 685 x 765 = 266286868692075
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.
749 : 1, 7, 107, 749
847 : 1, 7, 11, 77, 121, 847
801 : 1, 3, 9, 89, 267, 801
685 : 1, 5, 137, 685
765 : 1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 749,847,801,685,765, is 1.
Now, the common factors can be found like this.
749:7x 107
847:7x 11x 11
801:3x 3x 89
685:5x 137
765:3x 3x 5x 17
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 5x 7 = 315
Therefore, the value for common factors is 315.
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 = 266286868692075/(1x315)
LCM = 266286868692075/315
LCM = 845355138705
Thus, we can understand that the LCM of 749,847,801,685,765 is 845355138705.
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FAQs on LCM of 749, 847, 801, 685, 765
1. What is the LCM of 749, 847, 801, 685, 765?
Answer: LCM of 749, 847, 801, 685, 765 is 845355138705.
2. How to calculate the LCM of 749, 847, 801, 685, 765?
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 749, 847, 801, 685, 765.
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}.