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How many integers between  1,000 and 2,000 have exactly 2 distinct prime factors? Any help would be appreciated. Thank you.

 Feb 27, 2020
 #1
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A short computer code gives 275 such numbers beginning with: 

 

1003, 1006, 1007, 1011.......and ending with.............. 1985, 1991, 1994.

 Feb 27, 2020

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