NO. Not all odd numbers are prime like 9, 15, 21, 27,... because they have other factors aside from 1 and itself.
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All prime numbers are not odd. 2 is a prime, 2 is not odd.
All prime numbers are odd, exept of the first prime number 2.
Yes. Apart from 2, all prime numbers are odd.
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
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.