10000...00873 (64-digits)
This number is a prime.
1000 0799100008 1310000819 1000083110 0008491000 0867100008 7110000873
The smallest prime P formed from the concatenation of n
consecutive n-digit primes, i.e., {10000799, 10000813,
10000819, 10000831, 10000849, 10000867, 10000871,
10000873}, (case n=8). Curiously, P is also expressible as
the sum of two squares. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell