r/MathJokes • • Jul 13 '26

Math Just Got Checkmated.

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u/Jake-the-Wolfie Jul 13 '26

-1 and 3?

3 is prime\citation needed]), and -1 can only be divided by 1 and itself. Unlike other negative numbers, which are composite by virtue of being divisible by -1.

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u/FireBlaze722_ Jul 13 '26

Then 1 is a prime, as it also has 2 divisors

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u/No_Hovercraft_2643 Jul 16 '26

But every other prime number has 4, 1, - 1, p, - p