7057

This number is a prime.

The largest known general prime is 4⁷⁰⁵⁷ - 3. It was proved prime by Preda Mihailescu in March 1999 using cyclotomy primality proving.

In Mark Haddon's 2003 debut novel, The Curious Incident of the Dog in the Night-time, Christopher John Francis Boone is an autistic teenager who has memorized all the world's countries and their capital cities as well as every prime number up to 7057. [Wichmann]