This number is a prime.
203119 9133368320 0000000001
The least odd prime of the form 1 + product(k^prime(k), k = 1 to n), where n = 6. [Merickel]
The least odd prime of the form 1 + product(k^prime(k), k =
1 to n), where n = 6. [Merickel]