Largest known Newman–Shanks–Williams prime

The largest known is equal to ((1 + √2)9,679 + (1 − √2)9,679) / 2, which is 3,705 digits long; it has been discovered on July 17, 2001.The Prime Database: V(2,-1,9679)/2
The largest known Newman–Shanks–Williams probable prime is equal to ((1 + √2)172,243 + (1 − √2)172,243) / 2, which is 65,931 digits long; it has been discovered on January 15, 2007.Pell Number -- from Wolfram MathWorld
== Sources ==
Category:Numbers
Category:Class 2
Category:Numbers with 1000 to 1000000 digits
Category:Numerical records
Category:Prime numbers
Category:Probable primes
Category:Dynamic googolisms