31415...28841 (38-digits)

This number is a prime.

31415926 5358979323 8462643383 2795028841

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The fourth prime number found in the decimal expansion of π. The previous others are 3, 31, and 314159. Found by Robert Baillie and Marvin C. Wunderlich in 1979. [Rivera]

Submitted: 2019-03-14 17:22:41; Last Modified: 2026-04-05 16:32:40.