LCM of 785, 431, 315, 941, 945
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 785, 431, 315, 941, 945 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 785, 431, 315, 941, 945. So, keep reading to learn more.
Given numbers are 785,431,315,941,945
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 785,431,315,941,945 is 60172541415.
Find LCM of 785,431,315,941,945 with Prime Factorization
| 3 | 785, 431, 315, 941, 945 |
| 3 | 785, 431, 105, 941, 315 |
| 5 | 785, 431, 35, 941, 105 |
| 7 | 157, 431, 7, 941, 21 |
| 157, 431, 1, 941, 3 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 7 x 157 x 431 x 1 x 941 x 3 = 60172541415
Therefore, the lowest common multiple of 785,431,315,941,945 is 60172541415.
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.
785 x 431 x 315 x 941 x 945 = 94771752728625
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.
785 : 1, 5, 157, 785
431 : 1, 431
315 : 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
941 : 1, 941
945 : 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 785,431,315,941,945, is 1.
Now, the common factors can be found like this.
785:5x 157
431:431
315:3x 3x 5x 7
941:941
945:3x 3x 3x 5x 7
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 5x 7 = 1575
Therefore, the value for common factors is 1575.
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 = 94771752728625/(1x1575)
LCM = 94771752728625/1575
LCM = 60172541415
Thus, we can understand that the LCM of 785,431,315,941,945 is 60172541415.
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FAQs on LCM of 785, 431, 315, 941, 945
1. What is the LCM of 785, 431, 315, 941, 945?
Answer: LCM of 785, 431, 315, 941, 945 is 60172541415.
2. How to calculate the LCM of 785, 431, 315, 941, 945?
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 785, 431, 315, 941, 945.
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}.