If a number is a perfect square, then you might say that one of its factors
is a factor twice, so the list of factors has an odd number of entries.
Example: 16.
Factors of 16: 1, 2, 4, 8, 16.
One of the "factor pairs" of 16 is [ 4 x 4 ], but '4' only shows up once on the list.
Yes. Square numbers have an odd number of factors. 49 has three factors.
Square numbers have an odd number of factors.
All odd numbers have odd factors.
Odd.
Because 55 is an odd number. All the factors of odd numbers are odd.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.
Yes, quare numbers have an odd number of factors.
if a number has an odd number of factors it would be a perfect square
if a number has an odd number of factors it would be a perfect square
Square numbers have an odd number of factors.
Perfect squares are numbers with an odd number of factors.
Square numbers have an odd number of factors.
Squares have an odd number of factors.
Square numbers have an odd number of factors, but beyond that, any odd number can be a factor.
An even power. Square numbers have an odd number of factors.