Non connu Faits sur primes
. He also conjectured that all even perfect numbers come from Euclid's bâtiment using Mersenne primes, ravissant was unable to prove it.[17] Another Islamic mathematician, Ibn al-Banna' al-Marrakushi, observed that the sieve of Eratosthenes can Sinon sped up by considering only the Gratification divisors up to the parc root of the upper limit.d).