+Modular arithmetic explores the world of remainders, where numbers "wrap around" after reaching a certain modulus. It's a cyclic system, often called "clock arithmetic," revealing profound patterns in [Number Theory](/wiki/Number_Theory) and [Cryptography](/wiki/Cryptography).
+## See also
+- [Congruence](/wiki/Congruence)
+- [Prime Number](/wiki/Prime_Number)
+- [Discrete Math](/wiki/Discrete_Math)
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