Divisor Modulo Integer/Examples/8 modulo 12
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Examples of Divisors Modulo $m$
In modulo $12$ division, $8$ has the following divisors:
- $1, 2, 4, 5, 7, 8, 10, 11$
Proof
\(\ds 1 \times 8\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 2 \times 4\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 4 \times 5\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 2 \times 10\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 4 \times 8\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 4 \times 11\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 7 \times 8\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) | |||||||||||
\(\ds 8 \times 10\) | \(\equiv\) | \(\ds 8\) | \(\ds \pmod {12}\) |
$\blacksquare$
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): factor modulo $n$
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): factor modulo $n$