10000...00303 (100-digits)
This number is a prime.
1000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000303
10^99+303 is the smallest 100-digit prime whose sum of
digits equals the prime 7. [Bajpai]
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell