32222...22223 (3037-digits)

This number is a prime.

+ As of August 2, 2003 this number 3|(2)_3035|3 = (29*10^3036+7)/9 = 2*(10^3037-1)/9+(10^3036+1) is the largest known certified (Primo 2.1.1) plateau and depression Prime (PDP for short). Note its prime length of 3037 digits. Also the number is composed solely of prime digits (2 & 3, but only two threes). [De Geest]

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