SOLUTION: How many prime numbers are exactly divisible by three?

Algebra ->  Divisibility and Prime Numbers -> SOLUTION: How many prime numbers are exactly divisible by three?      Log On


   

Question 292556: How many prime numbers are exactly divisible by three?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Recall that a prime number is only divisible by 1 and itself. So because 3 is a prime number, the only prime divisible by 3 is the number 3. Every other number divisible by 3 is a composite number.