How do I generate the first n prime numbers?

Question

I am learning Ruby and doing some math stuff. One of the things I want to do is generate prime numbers.

I want to generate the first ten prime numbers and the first ten

Answer 1

People already mentioned the Prime class, which definitely would be the way to go. Someone also showed you how to use an Enumerator and I wanted to contribute a version using a Fiber (it uses your Integer#is_prime? method):

primes = Fiber.new do
  Fiber.yield 2
  value = 3
  loop do
    Fiber.yield value if value.is_prime?
    value += 2
  end
end

10.times { p primes.resume }