LCM of 642, 262, 517, 570, 690
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 642, 262, 517, 570, 690 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 642, 262, 517, 570, 690. So, keep reading to learn more.
Given numbers are 642,262,517,570,690
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 642,262,517,570,690 is 95005403790.
Find LCM of 642,262,517,570,690 with Prime Factorization
| 2 | 642, 262, 517, 570, 690 |
| 3 | 321, 131, 517, 285, 345 |
| 5 | 107, 131, 517, 95, 115 |
| 107, 131, 517, 19, 23 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 107 x 131 x 517 x 19 x 23 = 95005403790
Therefore, the lowest common multiple of 642,262,517,570,690 is 95005403790.
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.
642 x 262 x 517 x 570 x 690 = 34201945364400
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.
642 : 1, 2, 3, 6, 107, 214, 321, 642
262 : 1, 2, 131, 262
517 : 1, 11, 47, 517
570 : 1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 642,262,517,570,690, is 1.
Now, the common factors can be found like this.
642:2x 3x 107
262:2x 131
517:11x 47
570:2x 3x 5x 19
690:2x 3x 5x 23
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 2x 2x 3x 3x 5 = 360
Therefore, the value for common factors is 360.
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 = 34201945364400/(1x360)
LCM = 34201945364400/360
LCM = 95005403790
Thus, we can understand that the LCM of 642,262,517,570,690 is 95005403790.
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FAQs on LCM of 642, 262, 517, 570, 690
1. What is the LCM of 642, 262, 517, 570, 690?
Answer: LCM of 642, 262, 517, 570, 690 is 95005403790.
2. How to calculate the LCM of 642, 262, 517, 570, 690?
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 642, 262, 517, 570, 690.
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}.