document.write( "Question 242034: What is the prime factorization of 315 and how did you get the answer.\r
\n" ); document.write( "\n" ); document.write( "Mark
\n" ); document.write( "myemail7@stny.rr.com \n" ); document.write( "
Algebra.Com's Answer #177186 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "315 can be divided by 3\r\n" );
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document.write( "  105\r\n" );
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document.write( "3)315\r\n" );
document.write( "  3\r\n" );
document.write( "  --\r\n" );
document.write( "   15 \r\n" );
document.write( "   15\r\n" );
document.write( "   --\r\n" );
document.write( "    0\r\n" );
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document.write( "So 315 = 3*105\r\n" );
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document.write( "105 can be divided by 3:\r\n" );
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document.write( "   35\r\n" );
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document.write( "3)105\r\n" );
document.write( "   9\r\n" );
document.write( "  --\r\n" );
document.write( "   15 \r\n" );
document.write( "   15\r\n" );
document.write( "   --\r\n" );
document.write( "    0\r\n" );
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document.write( "So 315 = 3*3*35\r\n" );
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document.write( "35 can be divided by 5\r\n" );
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document.write( "   7\r\n" );
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document.write( "5)35\r\n" );
document.write( "  35\r\n" );
document.write( "  --\r\n" );
document.write( "   0\r\n" );
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document.write( "So 315 = 3*3*5*7\r\n" );
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document.write( "Those are all prime.  But we can write 3*3 as 32\r\n" );
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document.write( "So 315 = 32*5*7\r\n" );
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document.write( "So that's the prime factorization of 315.\r\n" );
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document.write( "Edwin
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