6 June 2024

• curprev 12:2912:29, 6 June 2024 Doctor seventeen talk contribs m 1,249 bytes +21 →Problem

5 June 2024

• curprev 18:1918:19, 5 June 2024 Doctor seventeen talk contribs m 1,228 bytes +1 →Solution
• curprev 18:1318:13, 5 June 2024 Doctor seventeen talk contribs m 1,227 bytes +6 →Solution 2
• curprev 17:5417:54, 5 June 2024 Doctor seventeen talk contribs m 1,221 bytes −6 →Solution 2

19 March 2017

• curprev 10:5610:56, 19 March 2017 Xiej talk contribs 1,227 bytes +20 →Solution 2
• curprev 10:5610:56, 19 March 2017 Xiej talk contribs 1,207 bytes +4 →Solution 2
• curprev 10:5510:55, 19 March 2017 Xiej talk contribs 1,203 bytes +3 →Solution 2
• curprev 10:5410:54, 19 March 2017 Xiej talk contribs 1,200 bytes +474 →Solution

23 December 2015

• curprev 19:0019:00, 23 December 2015 Dvn talk contribs m 726 bytes +1 typo in problem

30 April 2015

• curprev 19:1919:19, 30 April 2015 Rachanamadhu talk contribs 725 bytes −12 →Solution

5 July 2013

• curprev 11:2011:20, 5 July 2013 Nathan wailes talk contribs 737 bytes +15 No edit summary

10 April 2013

• curprev 20:2120:21, 10 April 2013 Bobthesmartypants talk contribs 722 bytes +171 No edit summary

29 April 2012

• curprev 07:5607:56, 29 April 2012 1=2 talk contribs 551 bytes +551 Created page with "== Problem == The expression <math> 21x^2 \plus{} ax \plus{} 21</math> is to be factored into two linear prime binomial factors with integer coefficients. This can be one if <mat..."