Advertisements
Advertisements
प्रश्न
Using prime factorisation, find which of the following are perfect squares.
484
Advertisements
उत्तर
Prime factors of 484 = (2 × 2) × (11 × 11)
As grouping, there is no unpaired factor left over.
| 2 | 484 |
| 2 | 242 |
| 11 | 121 |
| 11 | 11 |
| 1 |
So, 484 is a perfect square.
APPEARS IN
संबंधित प्रश्न
For the following number, find the smallest whole number by which it should be divided so as to get a perfect square number. Also find the square root of the square number so obtained.
1620
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
14283
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
2904
Write five numbers for which you cannot decide whether they are squares.
Write the prime factorization of the following number and hence find their square root.
7744
Find the smallest perfect square divisible by 3, 4, 5 and 6.
Is 90 a perfect square?
Show that 500 is not a perfect square.
Using prime factorisation, find the square roots of 11025
Find the least square number which is exactly divisible by 3, 4, 5, 6 and 8.
