In months with 31 days there are 11 prime numbers.
In months with 30 days there are 10 prime numbers.
In the month of February in a non-leap year there are 9 prime numbers.
In the month of February in a leap year there are 10 prime numbers.
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31
*Remember a Prime number is any number that is divisible by 1 and itself only. Therefore 1 is not a prime number.*
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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.
Only one - which is repeated.
25 of them.
One
There is just one prime number... 97