786
This number is a composite.
The largest known number n such that the binomial
coefficient C(2n,n) is not divisible by the square of an
odd prime. [Capelle]
(There are 10 curios for this number that have not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell