25 October 2025

• curprev 22:1222:12, 25 October 2025 Pinotation talk contribs 4,397 bytes +66 →Solution 2 (Legendre's and Substitution)
• curprev 22:1122:11, 25 October 2025 Pinotation talk contribs 4,331 bytes +1,866 No edit summary

4 September 2022

• curprev 13:5313:53, 4 September 2022 Mrthinker talk contribs 2,465 bytes +119 →Solution 3

14 June 2022

• curprev 10:5010:50, 14 June 2022 Spook talk contribs m 2,346 bytes +1 No edit summary

7 November 2021

• curprev 15:3915:39, 7 November 2021 Shandilya123 talk contribs 2,345 bytes 0 →Solution 3
• curprev 15:3915:39, 7 November 2021 Shandilya123 talk contribs 2,345 bytes 0 →Solution 3
• curprev 15:3815:38, 7 November 2021 Shandilya123 talk contribs 2,345 bytes 0 →Solution 3
• curprev 11:1611:16, 7 November 2021 Shandilya123 talk contribs 2,345 bytes +324 →Solution 3
• curprev 10:5510:55, 7 November 2021 Shandilya123 talk contribs 2,021 bytes +13 →Solution 3
• curprev 10:5510:55, 7 November 2021 Shandilya123 talk contribs 2,008 bytes +2 →Solution 3
• curprev 10:5010:50, 7 November 2021 Shandilya123 talk contribs 2,006 bytes +173 →Solution 3
• curprev 10:4910:49, 7 November 2021 Shandilya123 talk contribs 1,833 bytes +15 →Solution 2 (Constructive Counting)

17 January 2021

• curprev 18:1118:11, 17 January 2021 Maxliu2k talk contribs m 1,818 bytes +3 →Solution 2 (Constructive Counting)
• curprev 18:1118:11, 17 January 2021 Maxliu2k talk contribs m 1,815 bytes +1 →Solution 1
• curprev 18:1018:10, 17 January 2021 Maxliu2k talk contribs m 1,814 bytes +1 →Solution 2 (Constructive Counting)
• curprev 18:0918:09, 17 January 2021 Maxliu2k talk contribs m 1,813 bytes +1 →Solution 2 (Constructive Counting)
• curprev 18:0918:09, 17 January 2021 Maxliu2k talk contribs m 1,812 bytes 0 →Solution 2: Constructive counting

12 January 2021

• curprev 20:5920:59, 12 January 2021 Bunny1 talk contribs m 1,812 bytes −75 No edit summary
• curprev 20:5820:58, 12 January 2021 Bunny1 talk contribs 1,887 bytes −2 No edit summary

5 January 2021

• curprev 19:0619:06, 5 January 2021 Ab2024 talk contribs 1,889 bytes −73 →Solution 1

4 January 2021

• curprev 17:1017:10, 4 January 2021 Kvk001 talk contribs 1,962 bytes +73 No edit summary
• curprev 17:0717:07, 4 January 2021 Kvk001 talk contribs 1,889 bytes +11 No edit summary

27 November 2020

• curprev 21:0321:03, 27 November 2020 Bjc talk contribs 1,878 bytes −270 →Solution 3: Solve out number of divisors, then use complimentary counting

18 January 2020

• curprev 18:2718:27, 18 January 2020 Williamgolly talk contribs 2,148 bytes +301 No edit summary

5 January 2020

• curprev 15:5715:57, 5 January 2020 Gfei talk contribs 1,847 bytes +5 →Solution 3: Solve out number of divisors, then use complimentary counting

2 January 2020

• curprev 18:3218:32, 2 January 2020 Architoawesome1 talk contribs 1,842 bytes +58 →Solution 2: Constructive counting
• curprev 18:3118:31, 2 January 2020 Architoawesome1 talk contribs 1,784 bytes +207 →Solution 2: Constructive counting
• curprev 11:2511:25, 2 January 2020 Billyqq talk contribs 1,577 bytes 0 →See Also
• curprev 11:2411:24, 2 January 2020 Billyqq talk contribs 1,577 bytes −15 →See Also
• curprev 11:2411:24, 2 January 2020 Billyqq talk contribs 1,592 bytes +62 →See Also

29 July 2018

• curprev 17:3217:32, 29 July 2018 Lilcritters talk contribs 1,530 bytes +2 →Solution

12 August 2017

• curprev 15:0015:00, 12 August 2017 Jfault talk contribs 1,528 bytes +33 No edit summary

23 July 2017

• curprev 15:2315:23, 23 July 2017 Mathchampion1 talk contribs 1,495 bytes +68 →Solution 2: Constructive counting
• curprev 15:1915:19, 23 July 2017 Mathchampion1 talk contribs 1,427 bytes +523 →Solution

16 February 2017

• curprev 18:2218:22, 16 February 2017 Apadaki22 talk contribs m 904 bytes −1 →Solution
• curprev 13:2413:24, 16 February 2017 Apadaki22 talk contribs 905 bytes +26 →Solution
• curprev 13:2413:24, 16 February 2017 Apadaki22 talk contribs 879 bytes +155 →Solution
• curprev 12:1612:16, 16 February 2017 The turtle talk contribs 724 bytes +340 No edit summary
• curprev 12:1512:15, 16 February 2017 Thedoge talk contribs 384 bytes +260 →Solution
• curprev 09:5109:51, 16 February 2017 Ishankhare talk contribs 124 bytes +124 Created page with "==Problem== Placeholder ==Solution== Placeholder ==See Also== {{AMC10 box|year=2017|ab=B|num-b=19|num-a=21}} {{MAA Notice}}"