Almost Primes in Short Intervals
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H.-Q. Liu
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Article
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1996
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Elsevier Science
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English
โ 674 KB
It is shown that the number of integers n for which n # (x&x % , x] and n having at most two prime factors (counting multiplicity) is greater than cx % รlog x, here x is a sufficiently large positive number, c is some effective and positive constant, and %= 109 250 .