Medial groupoids and Mersenne numbers
Méthodes de factorisation et nombre de classes des corps quadratiques
Méthodes élémentaires en vue du théorème de Sylvester
Miszellen zur Primzahlmethode.
Modifications of the Eratosthenes sieve
We discuss some cancellation algorithms such that the first non-cancelled number is a prime number p or a number of some specific type. We investigate which numbers in the interval (p,2p) are non-cancelled.
Mythical numbers.