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<div><span class="kw">theorem </span><a NAME="T57"><span class="comment"><font color="firebrick">:: NUMBER12:57</font></span><br/></a><div class="add">(  <a href="number12.html#K2" title="NUMBER12:func.2">PrimeDivisors</a> 75 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="number12.html#K2" title="NUMBER12:func.2">PrimeDivisors</a> 1215 &amp;  <a href="number12.html#K2" title="NUMBER12:func.2">PrimeDivisors</a> <span class="p1">(<span class="default">75 <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="number12.html#K2" title="NUMBER12:func.2">PrimeDivisors</a> <span class="p1">(<span class="default">1215 <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> )</div></div>
