Luhn algorithm: Revision history

24 November 2024

• curprev 22:4222:42, 24 November 2024 Matjshu67 talk contribs m 9,222 bytes +105 →Description: original description said to double the right-most digit undo Tag: Visual edit: Switched

14 October 2024

• curprev 17:5517:55, 14 October 2024 Fgnievinski talk contribs 9,117 bytes −4,814 →Code implementation: WP:NOTREPO undo

9 October 2024

• curprev 21:5121:51, 9 October 2024 2404:4408:8a4f:2f00:2b53:23e8:3319:bfd talk 13,931 bytes +9 Fixed missing mod 10 in the pseudocode implementation section undo

1 October 2024

• curprev 21:4221:42, 1 October 2024 DubiousDoggo talk contribs m 13,922 bytes +5 Clarify example formula, Undid revision 1233587901 by Geoffreybernardo (talk) undo

18 September 2024

• curprev 22:1222:12, 18 September 2024 50.224.44.8 talk 13,917 bytes +8 →TypeScript: "number" is a reserved keyword, as it is a type undo

11 September 2024

• curprev 15:4715:47, 11 September 2024 Drkameleon talk contribs 13,909 bytes +458 Added Arturo implementation (https://arturo-lang.io) undo

31 August 2024

• curprev 15:2315:23, 31 August 2024 Randomguy-2650 talk contribs 13,451 bytes +503 Added code block for JavaScript undo Tag: Visual edit: Switched

5 August 2024

• curprev 23:5823:58, 5 August 2024 OttoGebb talk contribs 12,948 bytes −5 Fix buggy C# implementation which was giving an incorrect answer for arrays of odd length. E.g. it was returning `false` for "49927398716" undo

25 July 2024

• curprev 11:5011:50, 25 July 2024 83.28.217.24 talk 12,953 bytes +911 reference & external link update undo Tag: Visual edit
• curprev 10:5810:58, 25 July 2024 83.28.217.24 talk 12,042 bytes +401 update Python source code and license info undo Tag: Visual edit: Switched
• curprev 10:1010:10, 25 July 2024 83.28.217.24 talk 11,641 bytes +457 proper Python code attribution undo Tag: Visual edit

9 July 2024

• curprev 21:4421:44, 9 July 2024 Geoffreybernardo talk contribs 11,184 bytes −9 →Description: The previous formula does not match the formula used in the example calculation. undo Tag: Visual edit

29 June 2024

• curprev 16:2016:20, 29 June 2024 Leopardessa talk contribs 11,193 bytes +292 →Uses: I added information about the use of the Luhn algorithm for validating Italian VAT numbers. undo Tag: Visual edit

28 June 2024

• curprev 08:3408:34, 28 June 2024 Neiljohnlord talk contribs 10,901 bytes −30 →Python: The class has a method that returns the last number and the reversed order remaining numbers. In the for loop the remaining numbers is however reversed again which results in an incorrect answer. The github repository that is referenced does not reverse the remaining numbers in the function that splits it up. I changed the code to more allign with the reference while returning the correct answer. undo

20 June 2024

• curprev 09:5709:57, 20 June 2024 91.26.53.170 talk 10,931 bytes +1 →Code implementation undo Tag: Visual edit

17 June 2024

• curprev 03:1003:10, 17 June 2024 Raj3048 talk contribs 10,930 bytes +10 →Python undo

14 June 2024

• curprev 23:1023:10, 14 June 2024 Mcbenne2 talk contribs 10,920 bytes +30 The python example for calculating was incorrect. It gave an incorrect answer on on an odd number of digits because it worked from left to right instead of right to left. Reversing the remaining numbers fixes. undo

5 June 2024

• curprev 10:2310:23, 5 June 2024 Rodw talk contribs m 10,890 bytes +30 Disambiguating links to Python (link changed to Python (programming language)) using DisamAssist. undo
• curprev 02:3502:35, 5 June 2024 Raj3048 talk contribs 10,860 bytes +94 →Python undo
• curprev 02:1602:16, 5 June 2024 Raj3048 talk contribs 10,766 bytes +297 →Python undo
• curprev 02:1402:14, 5 June 2024 Raj3048 talk contribs 10,469 bytes +832 →Code implementation: <ref>https://github.com/codeperfectplus/Sanatio/blob/main/sanatio/utils/checksum.py</ref> undo Tag: Disambiguation links added

15 May 2024

• curprev 15:0315:03, 15 May 2024 178.70.90.135 talk 9,637 bytes −1 →C# undo

9 May 2024

• curprev 03:3103:31, 9 May 2024 Fgnievinski talk contribs 9,638 bytes −1 →top undo

23 April 2024

• curprev 12:4312:43, 23 April 2024 Rkmuller talk contribs 9,639 bytes +29 →Java undo
• curprev 11:5411:54, 23 April 2024 Rkmuller talk contribs 9,610 bytes −72 →Java undo
• curprev 11:5311:53, 23 April 2024 Rkmuller talk contribs 9,682 bytes +59 →Java: the algorithm was highly inefficient and not how it is normally written in Java undo

18 April 2024

• curprev 21:1121:11, 18 April 2024 12.179.93.202 talk 9,623 bytes +518 add typescript example undo

16 March 2024

• curprev 05:1905:19, 16 March 2024 2601:2c1:9000:c00::36c0 talk 9,105 bytes −21 →Java undo Tag: Visual edit
• curprev 02:1302:13, 16 March 2024 2804:431:cfdc:5603:4cb5:f091:5d7:68e2 talk 9,126 bytes +23 →Java undo

12 March 2024

• curprev 23:3423:34, 12 March 2024 50.98.174.59 talk 9,103 bytes −22 →Example for computing check digit undo

10 March 2024

• curprev 02:0402:04, 10 March 2024 2601:249:d02:57e0:e020:286b:33e8:6503 talk 9,125 bytes +31 Fix missing mod 10 at then end undo

6 March 2024

• curprev 15:1215:12, 6 March 2024 Mindmatrix talk contribs m 9,094 bytes −1 revert - text states check digit is excluded at this point undo Tag: Manual revert
• curprev 13:3413:34, 6 March 2024 103.161.56.253 talk 9,095 bytes +1 →Example for computing check digit undo Tag: Reverted
• curprev 13:3213:32, 6 March 2024 103.161.56.253 talk 9,094 bytes 0 →Example for computing check digit undo Tag: Reverted

20 February 2024

• curprev 19:3019:30, 20 February 2024 TCMemoire talk contribs m 9,094 bytes +924 Reverted edits by 154.122.133.142 (talk) (HG) (3.4.12) undo Tags: Huggle Rollback
• curprev 19:3019:30, 20 February 2024 154.122.133.142 talk 8,170 bytes −924 →Description undo Tag: Reverted

15 February 2024

• curprev 06:4506:45, 15 February 2024 Leonidlednev talk contribs m 9,094 bytes −4 Reverted edits by 2400:ADC5:196:8700:8175:396B:2F30:8A01 (talk) to last revision by 141.96.0.23: nonconstructive edits undo Tags: Rollback SWViewer [1.6]
• curprev 06:4406:44, 15 February 2024 2400:adc5:196:8700:8175:396b:2f30:8a01 talk 9,098 bytes +4 No edit summary undo Tags: Reverted Mobile edit Mobile web edit

6 February 2024

• curprev 12:4312:43, 6 February 2024 141.96.0.23 talk 9,094 bytes +10 bugs in the java version undo

2 February 2024

• curprev 13:0513:05, 2 February 2024 94.224.236.187 talk 9,084 bytes +81 →Java undo

18 January 2024

• curprev 20:4620:46, 18 January 2024 2.52.77.8 talk 9,003 bytes +11 →Uses undo

9 January 2024

• curprev 08:1108:11, 9 January 2024 Materialscientist talk contribs m 8,992 bytes −4 Reverted edits by 49.185.192.51 (talk) (HG) (3.4.12) undo Tags: Huggle Rollback
• curprev 08:0608:06, 9 January 2024 49.185.192.51 talk 8,996 bytes +4 No edit summary undo Tags: Reverted Visual edit Mobile edit Mobile web edit

3 December 2023

• curprev 18:0518:05, 3 December 2023 2806:106e:b:aeba:26eb:3b05:6d18:7c96 talk 8,992 bytes −62 →Description: \operatorname{mod} ==> \bmod undo

29 November 2023

• curprev 04:4504:45, 29 November 2023 206.127.96.82 talk 9,054 bytes +30 →Uses undo
• curprev 04:3704:37, 29 November 2023 206.127.96.82 talk 9,024 bytes +334 →Uses: Added USPS package barcodes undo

27 November 2023

• curprev 06:5606:56, 27 November 2023 62.2.161.194 talk 8,690 bytes 0 →C# undo

22 November 2023

• curprev 08:4908:49, 22 November 2023 Mkhafaga8 talk contribs 8,690 bytes +619 →Java Implementation of the Luhn algorithm undo

16 November 2023

• curprev 11:0611:06, 16 November 2023 Anon user talk contribs m 8,071 bytes +21 →Uses: ICCID added undo

31 October 2023

• curprev 15:4515:45, 31 October 2023 2601:49:4080:1200:8810:e018:2b8d:c1be talk 8,050 bytes +1 →C# undo