prime number

We know there is infinitely many primes, but are there infinitely many twin primes?

In issue No 1 we introduced GIMPS, the Great Internet Mersenne Prime Search. Well, on Sunday 24th August 1997 they did it again.

Can every even number greater than 2 can be written as the sum of two primes? It's one of the trickiest questions in maths.

You may think that searching for new prime numbers is a job for super-computers. However, on 13th November 1996, Frenchman Joel Armengaud discovered a new one using his humble PC.

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