odd and prime are two different things ,but odd numbers can be prime or composite just depends if you can multiply it with another number except 1 here's an example 7 ( 7 is odd and is prime because it has 2 factors "7 & 1" 15 is odd ,but not prime because 5x3 is 15 and 15x1 is 15 5 and 3 are factors of 15 so all odd numbers are not prime all even numbers are composite except the number 2.
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Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
Do you mean what is a number that has exactly two factors? If so the answer is a prime number. Eg. 2,3,5,7,11..... They are only divisible by 1 and themselves
Square numbers have an odd number of factors.
The prime factors of a number by multiplying each other. You can also use exponents. a prime factorization is when you divide a number and see what all of the prime (odd) numbers make up that number. EX. 9 / \ 3 3 then you would circle the 3's because they are prime.
All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.