Euclid's lemma
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7/20/2026, 8:09:04 PM · Ancient Tree
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Let $p$ be a [[Prime number|prime]] and $a,b\in \Z$. If $p$ [[Divisibility|divides]] $ab$, then $p$ divides $a$ or $p$ divides $b$.Revision 508
7/20/2026, 3:34:46 PM · Ancient Tree
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