Fait mathématique: 2657 is a value of n for which one more than the product of the first n primes is prime.
Culture générale: 2657 is an unremarkable number.
Date historique: April 10th is the day in 1858 that the original Big Ben, a 14.5 tonne bell for the Palace of Westminster is cast in Stockton-on-Tees by Warner's of Cripplegate.