Quantum Computing.
|509_10⟩|0_10⟩ + |510_10⟩|0_10⟩ +|511_10⟩|0_10⟩ Now we need to compute ƒ(j) = m^j mod n on the last l qbits of the register. Calculating the remainder of m^j divided by n, also known as modular exponentiation, is a hard problem when m, n and j are integers. The typical approach consists in reducing