document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=513810>Question 513810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> FIND AL NUMBERS LESS THAN 50THAT ARE PRIMES AND HAVE A REMAINDER OF 3 WHEN THEY ARE DIVIDED BY 7. </SPAN>\n" );
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document.write( "FIND AL NUMBERS LESS THAN 50THAT ARE PRIMES AND HAVE A REMAINDER OF 3 WHEN THEY ARE DIVIDED BY 7.\r<BR>\n" );
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document.write( "Multiply all numbers, from 1 to 6, by 7, and than add 3 to see if the result is a prime number. \r<BR>\n" );
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document.write( "N.B. Multiplying 7 by 7, and adding 3 would yield 52 (7*7 + 3), which would be too large\r<BR>\n" );
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document.write( "_7 * 1 = 7 + 3 = 10 (NOT PRIME)<BR>\n" );
document.write( "7 * 2 = 14 + 3 = 17 (PRIME)<BR>\n" );
document.write( "7 * 3 = 21 + 3 = 24 (NOT PRIME)<BR>\n" );
document.write( "7 * 4 = 28 + 3 = 31 (PRIME)<BR>\n" );
document.write( "7 * 5 = 35 + 3 = 38 (NOT PRIME)<BR>\n" );
document.write( "7 * 6 = 42 + 3 = 45 (NOT PRIME)<BR>\n" );
document.write( "7 * 7 = 49 + 3 = 52 (NOT PRIME, and as stated above, 52 > 50)\r<BR>\n" );
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document.write( "Therefore, the numbers being sought are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2817%29 ALIGN=MIDDLE  ALT=\"highlight_green%2817%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2831%29 ALIGN=MIDDLE  ALT=\"highlight_green%2831%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at  MathMadEzy@aol.com </SPAN>\n" );
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