1, 4, 9, 16, 25, 36, 49
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The square numbers below 50 are as follows: 12 = 1 22 = 4 32 = 9 42 = 16 52 = 25 62 = 36 72 = 49
positive square numbers less than 50 are 7 these are : 1,4,9,16,25,36,49.These are less than 50.
The square root of 50 is between 7 and 8
√49 < √50 < √64 7 < √50 < 8 (we are talking about the principal square roots)
A [perfect] square number, by definition, has a factor which is its square root. As a result it CANNOT be a prime!