Prime Factor Problem Cheat Sheets December 20th 2014
1 is not a prime number.
A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.
Finding Prime Numbers
Sieve of Eratosthenes
A basic implementation of the sieve of Eratoshenes I wrote:
def primes(max_value)
search_space = Array.new( …