Just the one and it is 2
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Only one number can be both even and prime, and that is the number 2.
The only even prime number is... 2 !
There is only one even prime number. A prime number is any number that only has only one and itself as factors. By definition even numbers have a factor of two. Therefore the only even number that is prime is the number 2.
wow. no its not a prime number , its even for a start meaning its not prime , and it has many factors , 1,2,4,8 ...
There are infinitely many prime numbers. There is only one even prime number, which is 2, because all other even numbers are divisible by 2 and thus are not prime. So, there are infinitely many odd prime numbers and only one even prime number.