<page_title> Fermat pseudoprime </page_title> <section_title> Smallest Fermat pseudoprimes </section_title> <table> <cell> 2 <col_header> a </col_header> </cell> <cell> 341 = 11 · 31 <col_header> smallest p-p </col_header> </cell> </table>
The smallest base-2 Fermat pseudoprime is 341.