23787...13481 (26-digits)

This number is a prime.

                                                237874 1380049115 0079713481

Just showing those entries submitted by 'Post': (Click here to show all)

+ The number of dissections of a convex 20-gon by nonintersecting diagonals into an odd number of regions. It is the largest known prime of this form. [Post]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell