Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Number theory is the branch of mathematics that deals with properties and relationships of numbers, particularly integers. It focuses on studying patterns, divisibility, prime numbers, and other number-related concepts.
Related terms
Prime Numbers: Prime numbers are positive integers greater than 1 that have no divisors other than 1 and themselves.
Modular Arithmetic: Modular arithmetic involves working with remainders when dividing by a fixed integer called the modulus.
Diophantine Equations: Diophantine equations are polynomial equations where only integer solutions are sought.