LCM of 257, 771, 826, 705, 315
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 257, 771, 826, 705, 315 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 257, 771, 826, 705, 315. So, keep reading to learn more.
Given numbers are 257,771,826,705,315
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 257,771,826,705,315 is 448976430.
Find LCM of 257,771,826,705,315 with Prime Factorization
| 3 | 257, 771, 826, 705, 315 |
| 5 | 257, 257, 826, 235, 105 |
| 7 | 257, 257, 826, 47, 21 |
| 257 | 257, 257, 118, 47, 3 |
| 1, 1, 118, 47, 3 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 7 x 257 x 1 x 1 x 118 x 47 x 3 = 448976430
Therefore, the lowest common multiple of 257,771,826,705,315 is 448976430.
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.
257 x 771 x 826 x 705 x 315 = 36346886890650
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.
257 : 1, 257
771 : 1, 3, 257, 771
826 : 1, 2, 7, 14, 59, 118, 413, 826
705 : 1, 3, 5, 15, 47, 141, 235, 705
315 : 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 257,771,826,705,315, is 1.
Now, the common factors can be found like this.
257:257
771:3x 257
826:2x 7x 59
705:3x 5x 47
315:3x 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 7x 257 = 80955
Therefore, the value for common factors is 80955.
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 = 36346886890650/(1x80955)
LCM = 36346886890650/80955
LCM = 448976430
Thus, we can understand that the LCM of 257,771,826,705,315 is 448976430.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 257, 771, 826, 705, 315
1. What is the LCM of 257, 771, 826, 705, 315?
Answer: LCM of 257, 771, 826, 705, 315 is 448976430.
2. How to calculate the LCM of 257, 771, 826, 705, 315?
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 257, 771, 826, 705, 315.
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}.