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<div><span class="kw">theorem </span><a NAME="T62"><span class="comment"><font color="firebrick">:: PEPIN:62</font></span><br/></a><div class="add"><span class="p1">(<span class="default">256 <a href="nat_1.html#K2" title="NAT_1:func.2">*</a> 256</span>)</span> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1 is  <a href="int_2.html#V1" title="INT_2:attr.1">prime</a> </div></div>
