[KongchangAI]
Unverified60% confidenceFactExact time

The Luhn algorithm is a card number format validation algorithm designed by IBM scientist Hans Peter Luhn in 1954.

2
Sources
60%
Confidence
Long-term
Relevance
7/10/2026
First Seen

Sources

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/472657
API
curl https://kongchang.com/api/v1/knowledge/claims/472657
MCP
get_claim(id=472657)