LCM of 354, 136, 140, 978, 551
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 354, 136, 140, 978, 551 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 354, 136, 140, 978, 551. So, keep reading to learn more.
Given numbers are 354,136,140,978,551
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 354,136,140,978,551 is 75669248760.
Find LCM of 354,136,140,978,551 with Prime Factorization
| 2 | 354, 136, 140, 978, 551 |
| 2 | 177, 68, 70, 489, 551 |
| 3 | 177, 34, 35, 489, 551 |
| 59, 34, 35, 163, 551 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 59 x 34 x 35 x 163 x 551 = 75669248760
Therefore, the lowest common multiple of 354,136,140,978,551 is 75669248760.
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.
354 x 136 x 140 x 978 x 551 = 3632123940480
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.
354 : 1, 2, 3, 6, 59, 118, 177, 354
136 : 1, 2, 4, 8, 17, 34, 68, 136
140 : 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
978 : 1, 2, 3, 6, 163, 326, 489, 978
551 : 1, 19, 29, 551
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 354,136,140,978,551, is 1.
Now, the common factors can be found like this.
354:2x 3x 59
136:2x 2x 2x 17
140:2x 2x 5x 7
978:2x 3x 163
551:19x 29
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 2x 3 = 48
Therefore, the value for common factors is 48.
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 = 3632123940480/(1x48)
LCM = 3632123940480/48
LCM = 75669248760
Thus, we can understand that the LCM of 354,136,140,978,551 is 75669248760.
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FAQs on LCM of 354, 136, 140, 978, 551
1. What is the LCM of 354, 136, 140, 978, 551?
Answer: LCM of 354, 136, 140, 978, 551 is 75669248760.
2. How to calculate the LCM of 354, 136, 140, 978, 551?
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 354, 136, 140, 978, 551.
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}.