Question

81, 169, 1, 25, 9, 121, 225,441, 289. In the
above series, how many numbers are the
square numbers of the prime numbers ?​

Answer 1

Answer:

5 (169, 25, 9, 121, 289)

169 = 13²

25 = 5²

9 = 3²

121 = 11²

289 = 17²

1 is not a prime number.

Step-by-step explanation:

Answer 2

Answer:

5

Step-by-step explanation:

start from 81 ,root under 81 is 9 hence we can say 81 is square of 9 but 9 us not a prime number.So we will not count 81.

now we move to 169 ,169 is square of 13 and 13 is prime number hence 169 satiesfies the criteria so we count 169 as our answer .

similary we get answers 169 ,25,121,289,9

so a total of 5 such nos.hence 5 is the answer