LCM of 890, 840, 980, 724
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 890, 840, 980, 724 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 890, 840, 980, 724. So, keep reading to learn more.
Given numbers are 890,840,980,724
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 890,840,980,724 is 94720920.
Find LCM of 890,840,980,724 with Prime Factorization
| 2 | 890, 840, 980, 724 |
| 2 | 445, 420, 490, 362 |
| 5 | 445, 210, 245, 181 |
| 7 | 89, 42, 49, 181 |
| 89, 6, 7, 181 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 7 x 89 x 6 x 7 x 181 = 94720920
Therefore, the lowest common multiple of 890,840,980,724 is 94720920.
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.
890 x 840 x 980 x 724 = 530437152000
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.
890 : 1, 2, 5, 10, 89, 178, 445, 890
840 : 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
980 : 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
724 : 1, 2, 4, 181, 362, 724
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 890,840,980,724, is 2.
Now, the common factors can be found like this.
890:2x 5x 89
840:2x 2x 2x 3x 5x 7
980:2x 2x 5x 7x 7
724:2x 2x 181
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 5x 5x 7 = 2800
Therefore, the value for common factors is 2800.
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 = 530437152000/(2x2800)
LCM = 530437152000/5600
LCM = 94720920
Thus, we can understand that the LCM of 890,840,980,724 is 94720920.
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FAQs on LCM of 890, 840, 980, 724
1. What is the LCM of 890, 840, 980, 724?
Answer: LCM of 890, 840, 980, 724 is 94720920.
2. How to calculate the LCM of 890, 840, 980, 724?
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 890, 840, 980, 724.
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}.