Quote:
Originally Posted by Jens K Andersen
You appear to include 1 in the primes. This is rarely done today.

Yep, I reread the definition. Prime numbers must have two different dividers, not one
.
Quote:
Originally Posted by Jens K Andersen
numbers included 133028062963 which is the smallest prime where a primemaking digit can be appended 14 times, ending with 13302806296379339933399333. Can you find a 15?

Oh, no... I am not so addicted to primes