One through nine all have single digit factors.
Square numbers have an odd number of factors.
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers.
Sure. Any 1-digit number contains only one-digit numbers as factors. Any larger number, on the other hand, contains itself as a factor, so these can be excluded.
Any number that contains only two factors which are itself and one is a prime number all other numbers that have more than two factors are composite numbers.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
No. Perfect square numbers have an odd number of factors.
Square numbers have an odd number of factors.
All square numbers have an odd number of factors.
Other even prime contains at least three factors,they are 1, the number itself and 2 . So they are composite numbers.
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.