Talk:Semiprime

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How is NINE a semi prime numbER???

[edit] wanna help

please someone wanna tell me why NINE is or isnt semi prime?

It's semiprime because 9=the product of two primes, namely 3 and 3. All squares of primes are semiprimes.

[edit] Probability

the probability that P is prime is 1/ln(P). Is there a similar result for semiprimes? (-Ozone-, Valentines Day(wrong computer for sig))

That's a good question. I don't know of any density result for semiprimes. I tried to come up with some stuff, but I don't know if it's correct. I'm sure there's something in the literature. Deco 19:46, 14 February 2006 (UTC)
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