Codes: part 53

#!/usr/bin/ruby
require “mathn”
include Math
eval ”
a=0
while a <=20
a +=1
b=4**a+1
p b
p b.prime_division.flatten
end

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s