modulus

Modulus is a mathematical operation that finds the remainder after division of one number by another. For example, when you divide 17 by 5, the quotient is 3 and the remainder is 2. Using modulus notation, written as 17 mod 5, the result is 2. It’s useful for determining if a number divides evenly (no remainder) and is often used in programming, cryptography, and problem-solving to handle repeating cycles or pattern recognition. Essentially, modulus helps you understand what’s left over after dividing two numbers.