Mental Math Posted February 14, 2012 Share Posted February 14, 2012 (edited) If you multiply two five digit numbers you can get the answer 123456789. Can you guess the two five digit numbers? This is a very beautiful puzzle and you might think that a big mathematical theory should be hidden behind it. But in fact its beauty is only incidental. Give it a try ... . . . Here is the Hint to help you solve the puzzle, 'Decompose the number (123456789) into its prime factors'. 123456789 = 3 x 3 x 3607 x 3803 Got it? OK, check it with the solution … scroll down . . . . . Find the solution url removed Edited February 15, 2012 by Phi for All advertising url removed Link to comment Share on other sites More sharing options...
Mental Math Posted February 16, 2012 Author Share Posted February 16, 2012 See my profile for the url address. -1 Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now