What's the Point of a Prime Number?

Imagine you have a special kind of cookie, it can only be divided into equal parts in two ways: by one or itself. That's what a prime number is! Like 3, 5, and 7, they're super simple numbers that help build bigger numbers. People use them to make secret codes for online messages.

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Examples

  1. A baker uses only prime number cookies to make secret recipes.
  2. You can only divide 7 into groups of 1 or 7, that's what makes it a prime number.
  3. Your phone uses prime numbers to keep your messages safe from hackers.

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Categories: Math · prime numbers,math concepts,number theory