Puzzle Solutions, Issue 05

The answers to the puzzles that appeared in issue 05

These solutions relate to puzzles found in Issue 05 of the magazine.

Largest odd factors

The result will always be $n^2$.

Square factorials

$\displaystyle\frac{1!\times2!\times3!\times…\times100!}{50!}$ is a square number.

• Constructing the cover of Issue 10

21 simple steps to draw your own Islamic pattern!

Computational proofs, AI music and embarrassing surveys feature in our latest edition. Plus all your favourite puzzles & columns.
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Can you solve it?
• Dear Dirichlet, Issue 10

Letter writing, hospital visits, and getting the family active are among the topics of discussion in this issue's Dear Dirichlet advice column
• Which mathematician are you?

How do you like your numbers? Prime? Positive but infinitely small? Find out which famous mathematician you are
• What’s hot and what’s not, Issue 10

Fashion is fleeting, Chalkdust regulars are not.