41
This number is a prime.
Single Curio View: (Seek other curios for this number)
A prime p is a "lucky number of Euler" if the values of n^2 + n + p are all prime for n from 0 to p-2. There are only six of these and the largest is 41. The others are 2, 3, 5, 11, and 17. [Le Lionnais]
Submitted: 1999-09-02 23:40:00; Last Modified: 2009-02-12 23:50:44.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell