IP Prefix-List Question Part-2

Hi Everyone
how to deny all routes have the first 3-octets 10.100.20 and subnet mask range 24->29 ?

i`ve two solutions to do that

solution#1 ge 25 le 29

solution#2 le 29

but what is the difference between both solutions (solution#1 and solution#2) ge 25 le 29

vs le 29