1, 4, 25 and 100.
One hundred is ten squared = 102
81 is the largest square of a whole number...
The one that's a square number.
Yes.
One factor pair of square numbers would be the same number twice. When you list them, you only write it once.
The square root of 100 is 10, and it is a rational number.
One hundred is the least three-digit square number. It is formed by 102.
A square number will have one factor pair that consists of the same number (the square root). In the list of factors, that number will be written once.
a square number
if the factors are equal the the number must be a square so the factor is the square root.
The only factor of 100 that is greater than ten and odd is 25.
Factors can be listed as factor pairs. With square numbers, one of those pairs will be the same number twice. When written as a list, only one of them will be used, leaving an odd number of factors.