[seqfan] Re: (no subject)

[Hugo Pfoertner]

In the range 1<=a,b<=500 there are 2111 primes of this form. Large
examples: 1+(2^498)*(3^493) or 1+(2^994)*(3^993). Why should there be a
limit?

Hugo Pfoertner

On Wed, Dec 6, 2017 at 6:51 PM, Frank Adams-Watters via SeqFan <
seqfan at list.seqfan.eu> wrote:

> Is https://oeis.org/A058383 (Primes of form 1+(2^a)*(3^b)) infinite?
>
> Franklin T. Adams-Watters
>
>
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