Sur primes pour les professionnels
. He also conjectured that all even perfect numbers come from Euclid's construction using Mersenne primes, but was unable to prove it.[17] Another Islamic mathematician, Ibn al-Banna' al-Marrakushi, observed that the sieve of Eratosthenes can Si sped up by considering only the Don divisors up to the square root of the upper limit.Celui-là existe c