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Why are prime numbers better for creating codes?

Updated: 8/21/2019
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8y ago

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Many current cryptographical methods (encoding methods) are based on the difficulty of factoring large numbers. Roughly speaking, you multiply two large prime numbers together. Finding the code is equivalent to factoring the result, which is very difficult. However, if somebody knows the code (the original factors), it's easy to check whether their product is equal to the given number.

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8y ago
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7y ago

Actually, they are composite numbers which are the product of two very large prime numbers.

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Just go to a table of prime numbers, find the prime numbers, and add them.Just go to a table of prime numbers, find the prime numbers, and add them.Just go to a table of prime numbers, find the prime numbers, and add them.Just go to a table of prime numbers, find the prime numbers, and add them.


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