There are infinitely many primes. Euclid's proof: any finite list {p₁…pₙ} admits a prime factor of p₁·…·pₙ + 1 outside the list.
There are infinitely many primes. Euclid's proof: any finite list {p₁…pₙ} admits a prime factor of p₁·…·pₙ + 1 outside the list.