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What square numbers below 100 are also prime numbers?
A [perfect] square number, by definition, has a factor which is its square root. As a result it CANNOT be a prime!
Is 30 a perfect number?
No. The only perfect numbers below 100 are 6 and 28.
Is 34 a perfect number?
No. The only perfect numbers below 100 are 6, and 28.
Why is 16 a perfect square?
16 is a perfect square because you can arrange exactly 16 balls or matches or circles in a square with equal sides. Refer to the diagram below.* * * ** * * ** * * ** * * *See the sides. There are exactly 4 stars on each of the sides. 4 x 4 = 16. That is how you can tell if something is a square number. 1 x 1 = 1. 2 x 2 = 4 and so on. Any number which you can arrange into a perfect square is a square number. That is why they are called square numbers int eh first place.
Is a square of a number always bigger than the number?
all of the numbers, except the numbers 1 and below
