Advertisements
Advertisements
प्रश्न
Write true (T) or false (F) for the following statement.
The square of a prime number is prime.
Advertisements
उत्तर
False
If p is a prime number, its square is p2, which has at least three factors: 1, p and p2. Since it has more than two factors, it is not a prime number.
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.
252
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
2904
By just examining the unit digit, can you tell which of the following cannot be whole square?
1027
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
25
Find the square root the following by prime factorization.
4096
Find the square root the following by prime factorization.
190969
Write the prime factorization of the following number and hence find their square root.
7744
Out of 745 students, maximum are to be arranged in the school field for a P.T. display, such that the number of rows is equal to the number of columns. Find the number of rows if 16 students were left out after the arrangement.
Using prime factorisation, find which of the following are perfect squares.
729
Using prime factorisation, find the square roots of 4761
