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discrete semiprime numbers

A discrete semiprime is a semiprime that is the product of two distinct prime numbers.

The first few discrete semiprime numbers are: 6, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 39, …

209,867 of the first one million positive integers are discrete semiprime.

Learn more about discrete semiprime numbers on wikipedia.

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