document.write( "Question 405556: I need to select two odd numbers, two even numbers and zero for a formula that yields prime numbers...one such formula is x^2 -x + 41. Select some numbers for x, substitute them in a formula and see if prime numbers occur. Try to find a number for x that when substituted in the formula yields a composite number \n" ); document.write( "
Algebra.Com's Answer #286590 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
I need to select two odd numbers, two even numbers and zero for a formula that
\n" ); document.write( "yields prime numbers...one such formula is x^2 -x + 41.
\n" ); document.write( "Select some numbers for x, substitute them in a formula and see if prime numbers occur.
\n" ); document.write( ":
\n" ); document.write( "Using the formula, find the prime numbers
\n" ); document.write( "x = 9: 9^2 - 9 + 41 = 113
\n" ); document.write( "x = 17: 17^2 - 17 + 41 = 313
\n" ); document.write( "x = 12: 12^2 - 12 + 41 = 173
\n" ); document.write( "x = 22: 22^2 - 22 + 41 = 503
\n" ); document.write( "x = 0: 0^2 - 0 + 41 = 41
\n" ); document.write( "All are prime numbers
\n" ); document.write( ":
\n" ); document.write( "Try to find a number for x that when substituted in the formula yields a composite number>
\n" ); document.write( "We know at least one value for x that will give a composite number, x=41 \n" ); document.write( "
\n" );