95339...99999 (23216-digits)
This number is a prime.
9534*10^23212-1 has 7 more digits than the February 9, 1979
world record prime and yet it is so easy to construct! You
start with the prime 9533 then simply append 23212 9's and
you have this prime. See proof. [Burns-Proth]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell