Linked from
The 25 pages that link to RSA cryptosystem, each with the reason it gives.
Greatest common divisorRelated: RSA key generation uses coprimality and modular inverses.
Primality testRelated: Generating RSA keys requires finding large primes efficiently.
Composite numberRelated: RSA public keys are built from products of large prime numbers.
Unique factorizationRelated: Its keys are built from prime factors of a large composite integer.
Adi ShamirRelated: Shamir co-invented RSA with Ronald Rivest and Leonard Adleman.