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Multiples and prime numbers HTML5

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Summary

This digital grid represents a sequence of 100 integers selected on the interval [0,199].

The features offered help to introduce the concepts of multiple factors, multiples or prime and composite numbers.

Click on the sliders and the checkboxes to select different options.

Learning goals

  • To recognize multiples and divisors of a number. 
  • To be able to distinguish a composite number and a prime number.

Learn more

The whole number n is an integer multiple of the integer m if there is an integer q such that n is the product of these two numbers: n = q x m.

q is the integer quotient of the division between…

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