21272...06953 (314-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

                                       2127 2675079812 5547095890 4556357921
2210333466 9749923563 0254947802 4901141952 1238281530 9114079073 8602515227
4299581807 2471625916 6854513331 2394804947 0791191532 6734302824 4186041426
3639548000 4480026704 9624820179 2896476697 5831832713 1425170296 9234889627
6684403232 6092752496 0357996469 2565049368 1836090032 3809293459 5889706953

The smallest 314-digit prime found in the first 10^4 digits in decimal expansion of π. [Bajpai]