223

This number is a prime.

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In the treatise "Measurement of a Circle" by Archimedes, Proposition 3 states: The ratio of the circumference of any circle to its diameter is greater than 223/71 (where both numerator & denominator are prime), but less than 22/7. [Prisacariu]

Submitted: 2024-06-01 19:40:59; Last Modified: 2025-03-26 20:03:49.