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Multiplication table from 1 to 10 drawn to scale with the upper-right half labeled with prime factorisations In mathematics , a multiplication table (sometimes, less formally, a times table ) is a mathematical table used to define a multiplication operation for an algebraic system.
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It requires memorization of the multiplication table for single digits. This is the usual algorithm for multiplying larger numbers by hand in base 10. A person doing long multiplication on paper will write down all the products and then add them together; an abacus-user will sum the products as soon as each one is computed.
Multiplication table problem. For each positive integer , let () be the number of distinct integers in an multiplication table. In 1960, [5] Erdős ...
To reduce confusion between the multiplication sign × and the common variable x, multiplication is ... 15 is the product of 3 and 5 and is both a multiple of 3 and a ...
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