LCM of 978, 221, 152, 225
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 978, 221, 152, 225 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 978, 221, 152, 225. So, keep reading to learn more.
Given numbers are 978,221,152,225
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 978,221,152,225 is 1231986600.
Find LCM of 978,221,152,225 with Prime Factorization
| 2 | 978, 221, 152, 225 |
| 3 | 489, 221, 76, 225 |
| 163, 221, 76, 75 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 163 x 221 x 76 x 75 = 1231986600
Therefore, the lowest common multiple of 978,221,152,225 is 1231986600.
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.
978 x 221 x 152 x 225 = 7391919600
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.
978 : 1, 2, 3, 6, 163, 326, 489, 978
221 : 1, 13, 17, 221
152 : 1, 2, 4, 8, 19, 38, 76, 152
225 : 1, 3, 5, 9, 15, 25, 45, 75, 225
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 978,221,152,225, is 1.
Now, the common factors can be found like this.
978:2x 3x 163
221:13x 17
152:2x 2x 2x 19
225:3x 3x 5x 5
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3 = 6
Therefore, the value for common factors is 6.
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 = 7391919600/(1x6)
LCM = 7391919600/6
LCM = 1231986600
Thus, we can understand that the LCM of 978,221,152,225 is 1231986600.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 978, 221, 152, 225
1. What is the LCM of 978, 221, 152, 225?
Answer: LCM of 978, 221, 152, 225 is 1231986600.
2. How to calculate the LCM of 978, 221, 152, 225?
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 978, 221, 152, 225.
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}.