<page_title> Isotopes of plutonium </page_title> <section_title> Pu-240, Pu-241 and Pu-242 </section_title> <table> <cell> 239Pu <col_header> Isotope </col_header> <col_header> Capture </col_header> </cell> <cell> 24,110 years <col_header> Half-life </col_header> </cell> <cell> 242Pu <col_header> Isotope </col_header> <col_header> Capture </col_header> </cell> <cell> 373,300 years <col_header> Half-life </col_header> </cell> </table>
Pu-242, with a half-life of 373,300 years, and Pu-239, with a half-life of 24,110 years.