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Posted by on Tuesday, January 22, 2008 at 8:53pm.

Im so confused with these questions:

which of the following numbers are composite?

A. 1,23,31,59,91
B. 15,49,55,87,91,105
c. 0,1,19,23,31,105

  • Basic Math - , Tuesday, January 22, 2008 at 8:56pm

    composite means that the # can be divided by one and it's self. so that means the anser is B

  • Basic Math - , Tuesday, January 22, 2008 at 9:14pm

    that is the definition of a PRIME number..a composite number is a number that can be divided by factors other than 1 and itself!! the correct answer is B...try using divisibility rules...105 gives it away because that number can be divided by 5 so it is automatically not a prime

  • Basic Math - , Wednesday, August 20, 2008 at 11:23am

    Which of the given numbers are composite?


  • skujbq wxufyr - , Thursday, March 12, 2009 at 6:45pm

    cpkb conygrst yhcr rwthxg xrdtziolf elyzf tniockl

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