LCM of 749, 851, 714, 853, 642
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 749, 851, 714, 853, 642 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, 851, 714, 853, 642. So, keep reading to learn more.
Given numbers are 749,851,714,853,642
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 749,851,714,853,642 is 55457537394.
Find LCM of 749,851,714,853,642 with Prime Factorization
| 2 | 749, 851, 714, 853, 642 |
| 3 | 749, 851, 357, 853, 321 |
| 7 | 749, 851, 119, 853, 107 |
| 107 | 107, 851, 17, 853, 107 |
| 1, 851, 17, 853, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 107 x 1 x 851 x 17 x 853 x 1 = 55457537394
Therefore, the lowest common multiple of 749,851,714,853,642 is 55457537394.
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 851 x 714 x 853 x 642 = 249226173048636
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
851 : 1, 23, 37, 851
714 : 1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714
853 : 1, 853
642 : 1, 2, 3, 6, 107, 214, 321, 642
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 749,851,714,853,642, is 1.
Now, the common factors can be found like this.
749:7x 107
851:23x 37
714:2x 3x 7x 17
853:853
642:2x 3x 107
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 7x 107 = 4494
Therefore, the value for common factors is 4494.
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 = 249226173048636/(1x4494)
LCM = 249226173048636/4494
LCM = 55457537394
Thus, we can understand that the LCM of 749,851,714,853,642 is 55457537394.
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FAQs on LCM of 749, 851, 714, 853, 642
1. What is the LCM of 749, 851, 714, 853, 642?
Answer: LCM of 749, 851, 714, 853, 642 is 55457537394.
2. How to calculate the LCM of 749, 851, 714, 853, 642?
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, 851, 714, 853, 642.
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}.