Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/prime_gem.rb

Instance Method Summary collapse

Instance Method Details

#get_primes(arr) ⇒ Object 



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# File 'lib/prime_gem.rb', line 6

def get_primes(arr)
  arr.select do |num|
    next if num < 2
    (2..Math.sqrt(num)).none? { |i| num % i == 0 }
  end
end