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A check digit according to Modulo 10 is used by EAN codes, e.g. EAN-13. With the EAN codes the check digit is calculated according to the modulo 10 calculation method with the weighting 3. Weighting 3 starts at the first digit from the right.
The Luhn Algorithm (Mod 10) Calculator is a simple tool allowing one to validate numbers and calculate the correct check digit for a given number via the Luhn checksum algorithm. To utilize the instrument, enter the number (including the check digit) in the form below and click the "Verify & Calculate" button. Luhn Algorithm Calculator.
The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in U.S. Patent No. 2,950,048, granted on August 23, 1960. [1]
Step 1) From the rightmost digit, which is the check digit, moving left, double the value of every second digit; Step 2) If the product of this doubling operation is greater than 9, then sum the digits of the products or alternatively subtract 9 from the product.
This calculator calculates digit sequence checksum using Luhn algorithm (mod 10) and validation digit, the digit to be appended to the digit sequence to make whole sequence checksum equal to zero.
Calculate check digit using the Luhn algorithm. Fill in the box below to have it instantly computed. The Luhn algorithm, a simple checksum verification algorithm, is also known as Luhn formula, modulus 10 algorithm, or mod 10 algorithm.
Tools to check Luhn generated numbers. The Luhn algorithm (also called modulo 10 or mod 10) is a checksum formula for numbers/digits used with credit card or administrative numbers.
