Advertisements
Advertisements
प्रश्न
Find the square root of the following number by the prime factorisation method.
400
Advertisements
उत्तर
400 can be factorised as follows:
| 2 | 400 |
| 2 | 200 |
| 2 | 100 |
| 2 | 50 |
| 5 | 25 |
| 5 | 5 |
| 1 |
400 = 2 × 2 × 2 × 2 × 5 × 5
So, `sqrt400 = 2 xx 2 xx 5 = 20`
संबंधित प्रश्न
Find the square root of the following number by the prime factorisation method.
8100
Find the smallest square number that is divisible by each of the numbers 4, 9, and 10.
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
14283
Find the square root the following by prime factorization.
190969
The area of a square field is 5184 cm2. A rectangular field, whose length is twice its breadth has its perimeter equal to the perimeter of the square field. Find the area of the rectangular field.
The students of class VIII of a school donated Rs 2401 for PM's National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.
Find the square root by prime factorisation method
144
The least number by which 125 be multiplied to make it a perfect square is ______.
Using prime factorisation, find which of the following are perfect squares.
11250
Find the least square number which is exactly divisible by 3, 4, 5, 6 and 8.
