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Old 2007-12-16, 18:50   #1
grandpascorpion's Avatar
Jan 2005

503 Posts
Default Expected Number of Factors for numbers within a ra


I was wondering if there's a simple formula to estimate the number of prime factors for a number in some range say a to b.

For instance, between x=900 and x=1000, the expected number of prime factors is 3.04 ~ 3.
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