# Is the distribution of "almost-primes" known.

by tpm
Tags: almostprimes, distribution
 P: 76 If we define the "Almost-primes" as: * $$p^{a}$$ a is positive integer and p is a prime * pq where p and q are both primes then my question is if their distribution known ?? i mean if there is a function f(x) so for f(N) gives the values of "almost prime numbers" from 1 to N
 Sci Advisor HW Helper P: 9,398 Yes. But yo don't want to ask that. You want to ask if there is a way to express this function in terms of easily computed objects/quantities, or if there is a closed expression in n. Can't help you there.

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