14159...07021 (547-digits)

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

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As of 4th February 2022, the largest known happy prime formed from the initial n digits in decimal portion of π (case n=547). [Gupta]

Submitted: 2022-02-04 15:10:45; Last Modified: 2022-02-04 15:11:31.