LCM of 781, 565, 968, 390, 553
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 781, 565, 968, 390, 553 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 781, 565, 968, 390, 553. So, keep reading to learn more.
Given numbers are 781,565,968,390,553
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 781,565,968,390,553 is 837475078440.
Find LCM of 781,565,968,390,553 with Prime Factorization
| 2 | 781, 565, 968, 390, 553 |
| 5 | 781, 565, 484, 195, 553 |
| 11 | 781, 113, 484, 39, 553 |
| 71, 113, 44, 39, 553 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 11 x 71 x 113 x 44 x 39 x 553 = 837475078440
Therefore, the lowest common multiple of 781,565,968,390,553 is 837475078440.
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.
781 x 565 x 968 x 390 x 553 = 92122258628400
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.
781 : 1, 11, 71, 781
565 : 1, 5, 113, 565
968 : 1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968
390 : 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
553 : 1, 7, 79, 553
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 781,565,968,390,553, is 1.
Now, the common factors can be found like this.
781:11x 71
565:5x 113
968:2x 2x 2x 11x 11
390:2x 3x 5x 13
553:7x 79
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 5x 11 = 110
Therefore, the value for common factors is 110.
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 = 92122258628400/(1x110)
LCM = 92122258628400/110
LCM = 837475078440
Thus, we can understand that the LCM of 781,565,968,390,553 is 837475078440.
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FAQs on LCM of 781, 565, 968, 390, 553
1. What is the LCM of 781, 565, 968, 390, 553?
Answer: LCM of 781, 565, 968, 390, 553 is 837475078440.
2. How to calculate the LCM of 781, 565, 968, 390, 553?
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 781, 565, 968, 390, 553.
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}.