25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45
These numbers between 1 and 40 have an odd number of factors: 4, 9, 16, 25, 36.
23, 25, 27, 29
The odd composite numbers lower than 30 are:9 15 21 25 27
Thirteen.
All the numbers above 2 that are the squares of odd primes have exactly 3 factors: 1, the odd prime, and the odd prime squared. 4, 9, 25, 49, 81, 121,...
There are 25 of them.
odd numbers between 25 and 45 inclusive are 25 27 29 31 33 35 37 39 41 43 45
yes 9 25 49 81 121 All odd numbers squared are odd numbers
25
'25' is odd, all right, but not prime. (It can be divided by 1, 5, and 25) By the way, prime numbers must be odd numbers. All even numbers can be divided by 2, at least, and are therefore not prime.
no, 25 is odd and is not prime 25 = 5 x 5 There is only one even prime number:2, all other prime numbers are odd, but all odd numbers are not prime number
These two odd numbers are 39 and 65. Both are between 25 and 75, and their GCF is 13.
26
These numbers between 1 and 40 have an odd number of factors: 4, 9, 16, 25, 36.
101
23, 25, 27, 29
They are: 19 21 23 and 25