Q: Do all odd numbers have other odd numbers as their factors?

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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.

No. Perfect square numbers have an odd number of factors.

Square numbers have an odd number of factors.

Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.

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All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.

All numbers have factors.

Because 55 is an odd number. All the factors of odd numbers are odd.

Even numbers must have 2 amongst their factors; they may have other even numbers amongst their factors. Odd numbers must not; every factor of an odd number must be 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.

NO. Not all odd numbers are prime like 9, 15, 21, 27,... because they have other factors aside from 1 and itself.

All odd numbers have odd factors.

All prime numbers are not odd numbers. 2 is an even prime number, and it is the only even prime number because all other even numbers have 2 as one of their factors.

All whole numbers have factors.

All of the odd numbers in that range can be factors.

Square numbers have an odd number of factors.