number-theory
Divisibility and the division algorithm
taught
Taught in
-
Congruence modulo n, revisited as group structure
Group Theory
Requires
Nothing — this is foundational.
Required by
- Congruence modulo n required
- Greatest common divisor via the Euclidean algorithm required
Local knowledge map
Local knowledge map
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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.