hey guys

could u guys hav a read of this q? coz its a monster one!!! so hard... siigh

neway dis is da q..

an eg:

choose a number:156

its factors are: 1,2,3,4,6,12,13,26,39,52,78,156

grouped by last digit:{1}, {2,12,52}, {3,13}, {4}, {6,26,156}, {78}, {39}

We say the fenders (factor enders) of 156 are 1,2,3,4,6,8,9 and that 156 is a 7-fender (meaning dat it had seven fenders)

a) find a 1-fender which is composite

b) Show that a number which has a 0 and a 9 as fenders has at least four more fenders

c) the smallest 10 fender is less thaan 700. Find it and explain why is is the smallest

Another 7-fender is 460--its set of fenders is (0,1,2,3,4,5,6,); which is different from the set of fenders of 156

d) find three 9-fenders less than 1000 with different sets of fenders

yea...its reeli hard... i hardly evn understand the q....

plz try dis q!!

any help would be like a call from heaven!!! lol :P

thanx soooo much guys