Kuznetsov's Theorem is a result in the field of number theory, specifically concerning the distribution of prime numbers. It provides insights into the behavior of prime numbers in arithmetic progressions, helping to understand how they are spaced apart as numbers grow larger. The theorem is named after the mathematician Nikolai Kuznetsov, who contributed to analytic number theory. It builds on earlier work in the field, including concepts from Dirichlet's theorem on primes in arithmetic progressions, and has implications for various areas of mathematics, including analytic number theory and combinatorial number theory.