3 September 2023

• curprev 23:3423:34, 3 September 2023 Little-fermat talk contribs 2,239 bytes +104 →Problem

5 December 2018

• curprev 19:0419:04, 5 December 2018 Jzhang21 talk contribs 2,135 bytes +737 →Solution

18 December 2015

• curprev 05:4205:42, 18 December 2015 Myl talk contribs 1,398 bytes −129 →Solution: Fixed errors which have gone unnoticed for >6 years

8 February 2009

• curprev 00:2300:23, 8 February 2009 Brut3Forc3 talk contribs 1,527 bytes +1,017 (Previous edit was to slightly reword problem) Added solution.
• curprev 00:0700:07, 8 February 2009 Brut3Forc3 talk contribs m 510 bytes +13 →Problem

25 October 2007

• curprev 19:1619:16, 25 October 2007 Temperal talk contribs 497 bytes +37 IMO box

12 October 2007

• curprev 10:3310:33, 12 October 2007 1=2 talk contribs 460 bytes +38 No edit summary

6 July 2007

• curprev 11:1811:18, 6 July 2007 JBL talk contribs m 422 bytes +20 No edit summary

9 April 2007

• curprev 09:3609:36, 9 April 2007 Solafidefarms talk contribs m 402 bytes +38 needsolution

6 April 2007

• curprev 17:3617:36, 6 April 2007 Teki-Teki talk contribs 364 bytes +364 posted problem from IMO Compendium