Divisibility rules are simple algorithms that determine whether a number is divisible by another, providing essential shortcuts in arithmetic and number theory for efficient calculations.
Read MoreMathematics: Divisibility RulesNumber Theory explores the properties and relationships of integers, focusing on concepts such as divisibility, prime numbers, and congruences.
Read MoreNumber TheoryModular arithmetic, often referred to as "clock arithmetic," focuses on the properties and applications of integers under a specified modulus, forming the foundation for various mathematical concepts and cryptography.
Read MoreMathematics: Modular Arithmetic