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Is a prime number odd?
All prime numbers are odd except one prime number and that is 2.
Is a prime number always an odd number?
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.
Why are all prime numbers except 2 odd?
This is because they are only two factors in that number. It may seem to you that all prime numbers odd, but it is not true. Most of them however, are prime numbers. This is why most of the odd numbers are prime numbers.
What group of numbers even or odd contain more prime numbers?
All even numbers except 2 are divisible and thus not prime. There is no such number for odd numbers, and there is in fact just one even prime and infinitely many odd primes.
Is 570 a prime number?
No, all prime numbers except the number 2 are odd numbers. 570 is an even number so it can't be a prime.
