A066269 Indices of primes in A066268.

2, 3, 33

Offset: 1

Author

Patrick De Geest, Dec 16 2001

Keywords

• nonn
• hard
• more
• bref

Comments

The 33rd term, prime 16268...99999, contains 759 digits.

Next term is bigger than 150. - Stefan Steinerberger, May 06 2007

Next term is bigger than 450. - Michael S. Branicky, Nov 14 2024

Links

• Carlos Rivera, Puzzle 118. Primorial product numbers, The Prime Puzzles & Problems Connection.
• Eric Weisstein's World of Mathematics, Primorial.

Crossrefs

Cf. A066266, A066267, A066268, A002110, A006939, A006794.

Programs

Mathematica

Select[Range[65], PrimeQ[Product[Product[Prime[i],{i,1,n}],{n,1,#}]-1]&] (* Stefan Steinerberger, Apr 12 2006 *)

Extensions

Offset changed from 0 to 1 by Harry J. Smith, Feb 08 2010