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Q: Do all square numbers have odd amount of factors?

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All square numbers have an odd number of factors.

The factors of all numbers can be written in pairs. With square numbers, one of those pairs is the same number twice. When listed singly, square numbers have an odd number of factors. All others are even.

No. Perfect square numbers have an odd number of factors.

All compound numbers that are not perfect squares.

All numbers that are the square of primes have exactly 3 factors.

Every square number (except 1) is composite. Prime numbers only have two factors, one and the numbers themselves. Since square numbers also have at least the square roots as factors, they have to be composite.

All numbers have factors. Some factors are perfect squares. We call these perfect square factors. 9 is a perfect square factor of 27.

None because square numbers have more than two factors

There are square numbers (numbers which are a square of an integer), such as 4. It's factors, listed are 1, 2, and 4. All square numbers have an odd number of factors. Then there's 1, which has only 1 factor: 1. All other numbers have an even number of factors. Prime numbers will have only 2 factors (2 is even).

Factors come in pairs. It is only in the case of a square number that the two middle factors are equal and so are counted only once.

The products of a square of a prime and a prime. That is, if a and b are primes, all numbers of the form a2b will have 6 factors. The 6 factors will be : 1, a, a2, b, ab, a2b

all perfect square numbers

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