Yes, the factors of all odd numbers are odd numbers.
All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.
Because 55 is an odd number. All the factors of odd numbers are odd.
All square numbers have an odd number of factors.
All nonzero numbers have factors. Some factors are odd numbers. 3 is an odd factor of 12.
All odd numbers have odd factors.
All whole numbers have factors.
All of the odd numbers in that range can be factors.
Square numbers have odd numbers of factors.
Both odd and even numbers may have odd numbers as factors.
No. Perfect square numbers have an odd number of factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.