A157035 Largest prime with 2^n digits.

7, 97, 9973, 99999989, 9999999999999937, 99999999999999999999999999999979, 9999999999999999999999999999999999999999999999999999999999999949

Offset: 0

Author

Lekraj Beedassy, Feb 22 2009

Keywords

• nonn
• base

Crossrefs

Cf. A157036, A003618, A157033, A157034.

Programs

Mathematica

NextPrime[10^2^Range[0,6],-1] (* Harvey P. Dale, Dec 28 2023 *)