have only 2, 3, and 5 as their prime factors
... that certain bamboo species release large numbers of seeds in synchrony after numbers of years that have only 2, 3, and 5 as their prime factors?
... that certain bamboo species <a href="./Mast_(botany)" id="mwCIg" rel="mw:WikiLink" title="Mast (botany)">release large numbers of seeds in synchrony</a> after numbers of years that <b id="mwCIk"><a href="./Regular_number" id="mwCIo" rel="mw:WikiLink" title="Regular number">have only 2, 3, and 5 as their prime factors</a></b>?