perplexus.info :: Numbers : The Last Three Digits

The Last Three Digits (Posted on 2007-08-28)

A number and its square both have the same last three digits. What are the possibilities for those digits?

Submitted by Brian Smith

Rating: 4.0000 (3 votes)

Solution: (Hide)

000, 001, 376, 625

Paul provides a good analysis here.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Puzzle Thoughts	K Sengupta	2022-12-21 10:14:38
Answer	K Sengupta	2008-10-21 00:55:38
percentage-wise	Larry	2007-08-30 20:42:39
Solution	Vernon Lewis	2007-08-29 01:10:04
re: No, a fuller List [part spoiler?]	Charlie	2007-08-28 22:29:38
proof of solution	Paul	2007-08-28 19:41:59
No, a fuller List [part spoiler?]	Vernon Lewis	2007-08-28 17:08:50
yes, full list	Charlie	2007-08-28 15:12:04
Solution (not necessarily a full list)	Guest	2007-08-28 13:46:00

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