document.write( "Question 297252: How many integers greater than 20 and less than 30 are each the product of exactly two different numbers,both of which are prime ?\r
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document.write( "(A) 0 (B) 1 (C) 2 (D) 3 (E) 4
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Algebra.Com's Answer #214039 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 21 3 7 both prime 1 \n" ); document.write( "22 11 2 both prime 2 \n" ); document.write( "23 prime \n" ); document.write( "24 4 6 3 8 \n" ); document.write( "25 5 and 5 both prime but not different \n" ); document.write( "26 13 2 both prime 3 \n" ); document.write( "27 3 9 not prime \n" ); document.write( "28 7 4 not prime \n" ); document.write( "29 prime \n" ); document.write( "3 with different factors both prime \n" ); document.write( " \n" ); document.write( " |