11

This number is a prime.

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"Mrs. Perkins' Quilt" is a puzzle to dissect a square of side n into a number of smaller squares of integral sides. Note that 11 squares are the smallest for a square of side 11. [Poo Sung]

Submitted: 2024-02-03 10:26:45; Last Modified: 2024-02-03 14:05:27.