tag:blogger.com,1999:blog-2400513859305780710.post6439487843208697516..comments2023-04-04T07:53:53.789-07:00Comments on Mathematical Food For Thought: One Big Set. Topic: Number Theory. Level: Olympiad.Jeffrey Wanghttp://www.blogger.com/profile/11114458640271201663noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2400513859305780710.post-34180628542092766892006-01-21T16:43:49.000-08:002006-01-21T16:43:49.000-08:00phi(1000) = 400997^2006 mod 1000 = (-3)^6 mod 1000...phi(1000) = 400<br>997^2006 mod 1000 = (-3)^6 mod 1000 = 729<br>wooooo negative modular arithmeticQCnoreply@blogger.com