N-smooth numbers

# title: N-smooth numbers
# source: https://rosettacode.org/wiki/N-smooth_numbers
# category: Rosetta Code
# difficulty: Intro
# summary: Generate the first twenty 5-smooth numbers by stripping allowed small factors.
# tags: popular, math, sequences, factors
# vibe: 0.2

def smooth?(number, limit)
  remaining = number
  factor = 2

  while factor <= limit
    while remaining % factor == 0
      remaining = remaining / factor
    end
    factor = factor + 1
  end

  remaining == 1
end

def smooth_numbers(limit, count)
  values = []
  candidate = 1

  while values.length < count
    if smooth?(candidate, limit)
      values = values.push(candidate)
    end
    candidate = candidate + 1
  end

  values
end

def run
  smooth_numbers(5, 20)
end