ravidaram · September 7, 2013 15:19
diff --git a/fact b/fact
 puts "enter number"
 num=gets.chomp.to_i
 num1=1
 num.downto(1) {|num| num1=num*num1}
 puts "#{num} Factorial is #{num1}"
diff --git a/leap b/leap
 puts"Enter Start year"
 startyear=gets.chomp.to_i
 puts"Enter End Year"
 endyear=gets.chomp.to_i
 startyear.upto(endyear){|startyear| n3=startyear%4
 if(n3==0)
 puts"the leap year is #{startyear}."
 end
 }
diff --git a/prime b/prime
 puts "enter a number"

 n=gets.chomp.to_i

 p=0

 p1=1

 2.upto (n-1) do |n1|

 p=n%n1

  if(p==0)
  
  p1=p
  
  end
 end

 if(p1==0)
  puts "#{n} is not a prime number"
 else
  puts "#{n} is a prime number"
 end
	puts"Enter Start year"
	startyear=gets.chomp.to_i
	puts"Enter End Year"
	endyear=gets.chomp.to_i
	startyear.upto(endyear){\|startyear\| n3=startyear%4
	if(n3==0)
	puts"the leap year is #{startyear}."
	end
	}