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Q: Why are all prime numbers not odd?

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They are all odd, and they are all prime numbers

All of the prime numbers are odd except for two.

There is an infinite amount of prime numbers all of which are odd numbers

All prime numbers are odd, exept of the first prime number 2.

All prime numbers are not odd. 2 is a prime, 2 is not odd.

Except for 2 all other prime numbers are odd. Otherwise, they would be divisible by 2 (and thus not a prime number). This does NOT mean that all odd numbers are prime, but that all prime numbers (aside from 2) are odd.

All prime numbers are odd except for the 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

2 is the only prime number that is not an odd 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.

While all prime numbers are odd (except 2), not all odd numbers are prime. 9 for example is an odd number, but you can get it by multiplying 3X3, so it is not prime. Odd numbers are numbers that are not divisible by 2. Prime numbers are numbers that cannot be generated by multiplying 2 whole numbers besides 1 and itself.