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 multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.
768
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
14283
By just examining the unit digit, can you tell which of the following cannot be whole square?
1023
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.
196
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.
By splitting into prime factors, find the square root of 11025.
A man, after a tour, finds that he had spent every day as many rupees as the number of days he had been on tour. How long did his tour last, if he had spent in all ₹ 1,296
A square board has an area of 144 square units. How long is each side of the board?
Using prime factorisation, find the square roots of 11025
