Luhn algorithm

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Luhn algorithm

Summary

Luhn algorithm is an algorithm[1]. It ranks in the top 1% of algorithm entities by monthly Wikipedia readership (1,131 views/month).[2]

Key Facts

  • Luhn algorithm's instance of is recorded as algorithm[3].
  • Luhn algorithm's instance of is recorded as check digit[4].
  • Hans Peter Luhn is named after Luhn algorithm[5].
  • Luhn algorithm's Freebase ID is recorded as /m/02s9q9[6].
  • Luhn algorithm's facet of is recorded as management cybernetics[7].
  • Luhn algorithm's described by source is recorded as ISO/IEC 7812[8].
  • Luhn algorithm's Stack Exchange tag is recorded as https://stackoverflow.com/tags/luhn[9].
  • Luhn algorithm's Quora topic ID is recorded as Luhn-Algorithm[10].
  • Luhn algorithm's Rosetta Code page ID is recorded as Luhn_test_of_credit_card_numbers[11].

Body

Designation and Status

Recorded instance of include algorithm[3] and check digit[4].

History and Context

Hans Peter Luhn is named after Luhn algorithm[5].

Why It Matters

Luhn algorithm ranks in the top 1% of algorithm entities by monthly Wikipedia readership (1,131 views/month).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[12] It is known by 27 alternative names across languages and contexts.[13]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . medium.com. medium.com. Provenance: wikidata.org.
  4. [6] . Freebase Data Dumps. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Quora. wikidata.org.
  9. [11] . rosettacode.org. rosettacode.org. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] . Wikidata sitelinks. wikidata.org.
  3. [13] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Luhn algorithm. Retrieved May 3, 2026, from https://4ort.xyz/entity/luhn-algorithm
MLA “Luhn algorithm.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/luhn-algorithm.
BibTeX @misc{4ortxyz_luhn-algorithm_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Luhn algorithm}}, year = {2026}, url = {https://4ort.xyz/entity/luhn-algorithm}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Luhn algorithm — https://4ort.xyz/entity/luhn-algorithm (retrieved 2026-05-03)

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