Square numbers have an odd number of factors, but beyond that, any odd number can be a factor.
Chat with our AI personalities
Yes, the factors of all odd numbers are odd numbers.
Square numbers have an odd number of factors.
Perfect squares are numbers with an odd number of factors.
The odd factors of 90 are 1,3,5,9 and 15.
The odd composite factors of 90 are: 9, 15, 45