Mathematics Problem Of the Week

Spring 2007

POW 4: Prime Directive

Find the prime number n that is less than 6000, whose last two digits considered as an integer is less than 10, and if the decimal digits of n are reversed to give N, then N − n = 999.

Due Friday, February 23^rd , at Noon.

Solutions should be submitted to Dr. Maegan Bos’ mailbox in the Math office or sent via e-mail to mbos@stlawu.edu

Presentation counts! The prize-winning entry will be selected from all correct submissions, based on the clarity, creativity and elegance of the solution.

Look for the SLU POW on the Web at http://it.stlawu.edu/~math/activities/