prime number ⪢⪢
A _____ is one that's only divisible by itself and 1. #math
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 prime number ⪢⪢
It is a _____ when it can't be divided evenly by any number except 1 or itself. #math
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 prime number theorem
○ Around 300 BC Euclid proved there were infinite number of prime numbers. ○ The number of prime numbers less than a certain natural number is asymptotically equivalent to x/(x⍻e).
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 16 Divisibility, Prime Numbers, and Prime Factorization
The fundamental theorem of arithmetic: there is only one unique set of prime factors for any number.
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 prime number theorem
○ π(n) is asymptotically equivalent to x/log x. ○ Of the first n integers, roughly 1/log n of them would be prime. #math
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