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Second exploration: prime numbers, cont'd

Sieve of Eratothenes: eliminate all integer multiples of each integer.

Primes seem somewhat random. Is their density increasing/decreasing?

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Third exploration: "crime" numbers

Def: A positive integer n > 1 is a "crime" number if bn = b(modn) for all integers b`, 1 < b < n.

Try 4, 5.

A few more trials

Is the definition of "crime" numbers somehow equivalent to the definition of prime numbers?

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