Largest known primorial prime

The largest known  of the form n# − 1 is equal to 1,098,133# − 1, which is 476,311 digits long; it has been discovered on March 1, 2012.

The largest known primorial prime of the form n# + 1 is equal to 392,113# + 1, which is 169,966 digits long; it has been discovered on September 20, 2001.