document.write( "Question 1100361: Four boys were asked to think of a three-digit number. Each boy wrote the last digit of his number. The first boy wrote 6, the second wrote 1, the third wrote 0 and the last wrote 5. Who could have thought of a prime number? \n" ); document.write( "
Algebra.Com's Answer #714832 by richwmiller(17219)\"\" \"About 
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The first boy wrote 6 which is divisible by 2 and/or 3
\n" ); document.write( ", the second wrote 1,
\n" ); document.write( " the third wrote 0 which is divisible by 5 and 10
\n" ); document.write( "and the last wrote 5. which is divisible by 5 \r
\n" ); document.write( "\n" ); document.write( ", the second wrote 1, possible prime number
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