Late 20th century: Prime numbers are used to encrypt information over the Internet (e.g., online shopping).
2003: Every even number is the sum of two primes and at most eight powers of 2.
2013: (using computers) – every even number greater than 2 and smaller than can be expressed as the sum of two primes
2013: Proof of Goldbach’s weak conjecture – Every odd number greater than 5 can be expressed as the sum of three primes.
To the MNS presentation