cand=2
test=range(2,cand+1)
count=1
while(count<100):
    #if cand%test==0:   ##This was your first problem. Test is a list, not a number.
    for n in test:      ##Try this 'for' loop instead.
        if cand%n==0:
            cand=cand+1
        else:count=count+1
    #if count==1000:    ##You had another problem here. Your count values don't match.
    if count == 100:
        print cand