document.write( "Question 232460: which of the following groups of numbers are all prime numbers?\r
\n" ); document.write( "\n" ); document.write( "a)2,3,5,9
\n" ); document.write( "b)3,11,23,31
\n" ); document.write( "c)2,5,15,19
\n" ); document.write( "d)7,17,29,49 \n" ); document.write( "

Algebra.Com's Answer #171778 by rfer(16322) $\"\"$ $\"About$

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B) \n" ); document.write( "

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