Another last digit (Posted on 2004-09-07)

	Submitted by Federico Kereki
Rating: 2.5000 (4 votes)
Solution:	(Hide)
All powers of 11 end in 1. 7 times 13 ends in 1, so 7^2004 times 13^2004 ends in 1. So the final digit of the product is the final digit of 13, that is, 3.

	Subject	Author	Date
	Alternative Methodology	K Sengupta	2008-04-25 07:09:20
	Puzzle Solution	K Sengupta	2007-07-18 01:16:36
	sol	Praneeth Yalavarthi	2007-07-17 08:32:27
	No Subject	doremi	2004-10-29 20:34:01
	Simpler yet!	Tristan	2004-09-07 18:02:52
	Simpler or not?	Gamer	2004-09-07 17:02:46
	re: Simple Solution !	nikki	2004-09-07 10:11:32
	Solution - explained	nikki	2004-09-07 10:09:53
	Simpler solution	Oskar	2004-09-07 07:01:06
	Simple Solution !	Syzygy	2004-09-07 06:55:25