Largest known Pierpont prime

The largest known  is equal to 3 × 210,829,346 + 1, which is 3,259,959 digits long; it has been discovered on January 17, 2014.

The largest known Pierpont prime of the second kind is equal to 3 × 211,895,718 − 1, which is 3,580,969 digits long; it has been discovered on June 26, 2015.