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Why does a square number always have an odd number of factors?
Wiki User
∙ 11y ago
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.
Wiki User
∙ 9y ago
Wiki User
∙ 11y agoOne of the factor pairs for a square number will be the same number twice. When you list the factors, you only need to write that number once. That will leave you with an odd number of factors.
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Can an odd number have odd numbers of factors?
Yes. Square numbers have an odd number of factors. 49 has three factors.
What is another name for an odd number of factors?
Square numbers have an odd number of factors.
Is the number of factors of any square number odd or even?
Odd.
Do only square numbers have an even number of factors?
No, only square numbers have an odd number of factors.
What do you call a number that has an odd amount of factors?
A square number
What type of number has an odd number of factors?
A perfect square has an odd number of factors. Factors of numbers always come in pairs -- except for perfect squares. Since the square root of a perfect square is listed only once on the list of factors, it results in a list with an odd number of factors.
Odd number of factors?
Square numbers have an odd number of factors.
Do odd numbers always have an odd number of factors?
No. Consider 15: 1,3,5,15 Every positive whole number has an even number of factors, unless the number is a perfect square.
What kind of factors have an odd number of factors?
Square numbers have an odd number of factors.
Which number has an odd number of different factors?
All square numbers have an odd number of factors.
Numbers that have an odd number of factors?
Square numbers have an odd number of factors.
What is the word for an odd number of factors?
Square numbers have an odd number of factors.
What has an odd number of factors?
Squares have an odd number of factors.
What is a number that has an odd number of factors?
if a number has an odd number of factors it would be a perfect square
What is a number that has odd number of factors?
if a number has an odd number of factors it would be a perfect square
What type of factor has an odd number of factors?
A perfect square has an odd number of factors.
What factors are odd?
Square numbers have an odd number of factors, but beyond that, any odd number can be a factor.
