10000...00949 (101-digits)
This number is a prime.
1 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000949
10^100+949 is the smallest googol prime whose sum of digits
is prime. [Gupta]
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell