Six: 2 3 5 7 11 13.
Only one number can be both even and prime, and that is the number 2.
None. 2 is the smallest prime number.
An infinite number.
There are 15 prime numbers and 34 composite numbers because 1 is not considered to be a prime or composite number
There are 25 prime numbers less than 100
There are 46 prime numbers less than 200.
There are 15 prime numbers less than 50
There are 48 prime numbers less than 220.
There are 27 prime numbers less than 102.
They are 239 prime numbers less than 1500.
There are 25 prime numbers less than 100
There are 1229 prime numbers that are less than 10000.