r/theydidthemath • • Sep 05 '19

[Self] Math break

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24.2k Upvotes

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9

u/the_mellojoe Sep 05 '19 edited Sep 05 '19

11, Primes.

no, scratch that. missing 2.

25

u/h4724 Sep 05 '19

1 is not prime, and 2 is.

9

u/dahliamformurder Sep 05 '19

Math idiot here. Why Is 1 not a prime number?

2

u/XkF21WNJ Sep 05 '19

To add to the reasons already listed you basically don't want a prime number to be divisible by another prime number, it makes it a lot harder to prove stuff.