## Question

###### That is found is larger However , pel than the previous ones was as lar= and 2013_ two other were found but neither large primes found in 20 as the prime found in August 2008. If the largest prime, 900 pa were written out in a typical newsprint size _ it would fill about reason is th of a newspaper. Why search for such large primes? One to test comp requires trillions of calculations and hence can be used in speed and reliability. Also it is important in writing messages Besides, as computer put

that is found is larger However , pel than the previous ones was as lar= and 2013_ two other were found but neither large primes found in 20 as the prime found in August 2008. If the largest prime, 900 pa were written out in a typical newsprint size _ it would fill about reason is th of a newspaper. Why search for such large primes? One to test comp requires trillions of calculations and hence can be used in speed and reliability. Also it is important in writing messages Besides, as computer put "it's like Mount Everest; expert find people climb mountains?" To keep UP on the ongoing race to ger prime, visit the Web site WWW.mersenne.org: section 5.2 EXERCISE/PROBLEM SET EXERCISES 1. How many factors do each of the following numbers have? 4.22 X 3 b.3' X 52 c.5 X 7x 114