document.write( "Question 221110: The sum of the digits of a number is 9. What is the probability that the number is prime? \n" ); document.write( "
Algebra.Com's Answer #165886 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Since \"The sum of the digits of a number is 9\", this means that the number is divisible by 9. So the chances that the number is prime is 0% (since 9 is a factor of this number). \n" ); document.write( "
\n" );