document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=61095>Question 61095</A>: <I><SPAN STYLE=\"word-break: break-all;\"> which one of these numbers are prime and how do i show my work?<BR>\n" );
document.write( "12,31,99,1\r<BR>\n" );
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document.write( "i think 1 is prime because you only have 0,1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #42037 by </B><A HREF=/tutors/aboutme.mpl?userid=praseenakos><B>praseenakos(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=praseenakos><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=42037\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> which one of these numbers are prime and how do i show my work?<BR>\n" );
document.write( "12,31,99,1\r<BR>\n" );
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document.write( "i think 1 is prime because you only have 0,1<BR>\n" );
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document.write( "solution:\r<BR>\n" );
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document.write( "A prime number is a positive integer that has exactly two positive integer factors, 1 and itself.\r<BR>\n" );
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document.write( "for example, \r<BR>\n" );
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document.write( "Facors of 2    = 1, 2<BR>\n" );
document.write( "Factors of 3   = 1, 3<BR>\n" );
document.write( "Factors of 4   = 1, 2, 4<BR>\n" );
document.write( "Factors of 5   = 1, 5<BR>\n" );
document.write( "Factors of 6   = 1, 2, 3, 6<BR>\n" );
document.write( "Factors of 7   = 1, 7<BR>\n" );
document.write( "Factors of 8   = 1, 2, 4, 8<BR>\n" );
document.write( "Factors of 9   = 1, 3, 9<BR>\n" );
document.write( "Factors of 10  = 1, 2, 5, 10\r<BR>\n" );
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document.write( "Here 2, 3, 5, 7 have factors  1  and the number  itself  only\r<BR>\n" );
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document.write( "so these anumbers are prime.\r<BR>\n" );
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document.write( "If we list the factors of 28, we have 1, 2, 4, 7, 14, and 28. That's six factors. If we list the factors of 29, we only have 1 and 29. That's two factors. So we say that 29 is a prime number, but 28 isn't.\r<BR>\n" );
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document.write( " <BR>\n" );
document.write( "Note that the definition of a prime number doesn't allow 1 to be a prime number: 1 has only one factor, namely 1. Prime numbers have exactly two factors, not \"at most two\" or anything like that. When a number has more than two factors it is called a composite number. \r<BR>\n" );
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document.write( "Here are the first few prime numbers: <BR>\n" );
document.write( "2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc. \r<BR>\n" );
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document.write( "NOW LET'S COME BACK TO YOUR QUESTION.\r<BR>\n" );
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document.write( "12,31,99,1\r<BR>\n" );
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document.write( "Factors of  12 =1, 2, 3, 4, 6, 12\r<BR>\n" );
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document.write( "That means 12 has more than two factors.  So it is not a  prime.\r<BR>\n" );
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document.write( "factors of 31 = 1, 31\r<BR>\n" );
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document.write( "That means  31 has only two factors : 1 and 31(the number itself)<BR>\n" );
document.write( "so 31 is a prime.\r<BR>\n" );
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document.write( "Factors of 99 = 1, 3, 33, 91<BR>\n" );
document.write( "Tat means 99 has more than two factors .\r<BR>\n" );
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document.write( "So 99 is not a prime.\r<BR>\n" );
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document.write( "1  has only one  factor, namely 1. Prime numbers have exactly two factors,<BR>\n" );
document.write( "So 1 is not a prime.\r<BR>\n" );
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document.write( "Additional Information:\r<BR>\n" );
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document.write( "1  is neither a prime nor a composit.\r<BR>\n" );
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document.write( "2  is only  EVEN  prime number.\r<BR>\n" );
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document.write( "BYE!!!!!!!!!!!!!!!!<BR>\n" );
document.write( " </SPAN>\n" );
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