document.write( "Question 248153: What is the smallest prime factor of 1821? \n" ); document.write( "
Algebra.Com's Answer #180891 by Fombitz(32388)\"\" \"About 
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Since the digits sum to 12 (1+8+2+1=12) then 1821 is divisible by 3.
\n" ); document.write( "1821/3=607
\n" ); document.write( "607 is a prime number.
\n" ); document.write( "1821=3*607
\n" ); document.write( "3 is the smallest prime factor.
\n" ); document.write( "
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