合数 2015/03/07 37546 清华大佬耗费三个月吐血整理的几百G的资源,免费分享!....>>> def com(n) for i in 1..(n-1) if n%i==0 factor=i end end if factor>1 puts "The Number is a Composite Number!" else puts "This is not a Composite Number!" end end