Two tiles can only make one rectangle.
Wiki User
∙ 14y agoHow long is the rectangle? If the rectangle is only one tile long, then it will take 20 tiles.
If you can only make one rectangle, your number's prime. If you can make more than one, it's composite.
4
Only 1 rectangle can be built with a Prime number of square tiles.
four
How long is the rectangle? If the rectangle is only one tile long, then it will take 20 tiles.
1
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Because prime numbers only have one factor pair.
If you can only make one rectangle, your number's prime. If you can make more than one, it's composite.
4
Only 1 rectangle can be built with a Prime number of square tiles.
Assuming that you are asking about a rectangular or square tile, the answer is one--Squares are rectangles with sides of equal lenght.
prime numbers
The first seven prime numbers are 2 3 5 7 11 13 17 It is likely that tiles could be found in some combination of these.
1, 3, 5,9
If you can arrange the counters in the shape of a rectangle with at least two in each row and each column then the number is composite. The numbers of row and the numbers of columns are factors of the given number. If the only rectangle you can make is the "degenerate" one, with only one row or only one column, then the number is prime.