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Divisibility rules/Rule 3 for 13 proof: Revision history

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16 December 2023

  • curprev 10:0510:05, 16 December 2023 Mathfantasia talk contribs 529 bytes +529 Created page with "The test works implies divisibility. <math>(T - K)/2 * 80 = T \implies 39T = 40K \implies 13 | K</math>. Restrictions so <math>1 \leq R \leq 39</math>: <math>1 \leq N \leq 1..."
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