document.write( "Question 1208631: What is the greatest prime you must consider to test whether 4755 is​ prime?
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Algebra.Com's Answer #847004 by ikleyn(52777)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "To check whether 4755 is a prime, you should test all primes lesser than \"sqrt%284755%29\" = 68.95... \r
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\n" ); document.write( "\n" ); document.write( "The greatest prime from this list is 67.\r
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\n" ); document.write( "\n" ); document.write( "Why it is so, read and learn from these Internet links\r
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\n" ); document.write( "\n" ); document.write( "https://en.wikipedia.org/wiki/Primality_test\r
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\n" ); document.write( "\n" ); document.write( "https://en.wikipedia.org/wiki/Primality_test\r
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\n" ); document.write( "\n" ); document.write( "or read any fundamental course on Number theory.\r
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