document.write( "Question 1194009: Choose all the descriptions for natural numbers n that have 3 divisors.\r
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document.write( "1- n= p^2 * q (for any two distinct primes p and q)
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document.write( "2- n= p * q (for any two distinct primes p and q)
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document.write( "3- n= p * q * r (for any three distinct primes p,q and r)
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document.write( "4- n= p^2 (for any prime number)\r
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document.write( "So every natural number has at least 2 factors - 1 and itself. So numbers with 3 factors then have to be perfect squares of prime numbers.\r
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document.write( "I selected 4- n= p^2 (for any prime number)\r
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document.write( "So they only have 1 distinct prime factor, and the question says select ALL.
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document.write( "Am I missing any other description that applies?\r
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document.write( "Thanks\r
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Algebra.Com's Answer #826089 by ikleyn(52778)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If the question is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " \"Choose all the descriptions for natural numbers n that have\r \n" ); document.write( "\n" ); document.write( "then your answer \" option 4 \" is correct.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As the question is worded in the post, it may have hidden EXTENDED meaning, and then the the answer \" ALL \" is applicable.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I understand that the \" option 4 \" is the first answer which comes to the mind, \n" ); document.write( "but the answer \" all options \" is also possible, formally speaking.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, this question/problem is consciously and ideally constructed in a way to catch (to cop) \r \n" ); document.write( "\n" ); document.write( "a person at exam, with all the ensuing consequences . . . \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |