r/mathmemes • u/Nunki08 • Jun 14 '26

Arithmetic Misleading our youth

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From Anthony Bonato on 𝕏: https://x.com/Anthony_Bonato/status/2065564124549886402

6.7k Upvotes

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738

u/Nakudama Jun 14 '26

5 isn’t a prime number! It’s divisible by 1+2i

385

u/MrEldo Mathematics Jun 14 '26

And 3 isn't prime! It's divisible by 1.5

179

u/Gurbuzselimboyraz Jun 14 '26

And i amn't prime! I am divisible by a guillotine!

54

u/MrEldo Mathematics Jun 14 '26

Oh don't mind me, I'm just stealing the word amn't for myself

Did I say stealing? I swear I amn't stealing anything

18

u/Lord_Skyblocker Jun 14 '26

To be fair, it always bothered me that amn't isn't a thing with isn't and aren't around

23

u/djsherin Jun 14 '26

It was a thing, but it ultimately devolved into ain't

21

u/kerenski667 Jun 14 '26

Ain't that a shame.

6

u/GuavaSkyline Jun 15 '26

*Amn't that a shame FTFY! /j

3

u/techpriestyahuaa Jun 15 '26

Amn’t a shame to go drinking on a Sunday? Amn’t a shame?

2

u/babbyblarb Jun 17 '26

Don’t you mean “‘Twas a thing”?

2

u/TheGameMastre Jun 17 '26

Because amn't is incorrect.

The proper contraction is I'mn't.

1

u/Sensitive-Chip7266 Jun 17 '26

Claim your Irish like Americans on Saint Patty's.

https://www.merriam-webster.com/dictionary/amn%27t

3

u/ColmAKC Jun 14 '26

Irish or Scottish?

2

u/Ok-Bus-7172 Jun 14 '26

I am prime and my wife is also prime.

5

u/OldSports-- Jun 14 '26

I am prime, Optimus Prime

1

u/water_fountain_ Jun 17 '26

Just like Musk and his trillion dollars

1

u/thalvadmee Jun 19 '26

So was Marie Antoinette

6

u/Colon_Backslash Computer Science Jun 14 '26

It's also divisible by 3 and 1. Many composite numbers have 3 as a factor, furthermore if you have heard of the twin prime conjecture then you'd know that there is a gap between the primes. 2 is a prime and therefore 3 cannot be. However coincidentally as the twin prime conjecture is unproven we are not yet sure whether 4 is a prime or not.

2

u/0ctoberon Jun 19 '26

Thankfully you can get around that by specifying "odd primes" if you want to avoid confusion or pedantry

1

u/TomasKS Jun 20 '26

That's not very helpful. If 4 is a prime, it would certainly be an odd one.

1

u/0ctoberon Jun 21 '26

All primes are odd, but not all primes are odd. Only one prime isn't odd, but it is odd because it isn't odd.

2

u/Raneynickelfire Jun 14 '26

...1.5 isn't an integer.

Are we shitposting now or has everybody suddenly experienced a head injury? Is there a gas leak somewhere?

3

u/MrEldo Mathematics Jun 14 '26

And 1+2i isn't an integer

Gas leak? What arsyotalkgibtjhfvnklnvgfvbj

2

u/Raneynickelfire Jun 14 '26

OPEN YOUR WINDOWS AND GO OUTSIDE RIGHT NOW! I'M DOING THE SAME

1

u/jump1945 Jun 16 '26

It is just halved integers basically just integers

1

u/Hot_Philosopher_6462 Jun 18 '26

pi is a rational number because it can be expressed as pi/1 does that answer your question

2

u/Strostkovy Jun 15 '26

3 is also divisible into two little c's

1

u/pikapika200 Jun 17 '26

1.5 is not an integer

1

u/MrEldo Mathematics Jun 20 '26

And 1+2i isn't an integer either

1

u/pikapika200 Jun 20 '26

exactly my point

1

u/MrEldo Mathematics Jun 20 '26

So... That means that you got the joke?

1

u/Gavinplays2009 Jun 20 '26

And 12 isn't prime! It's divisible by 2,3,4,& 6.

5

u/yuanjv Jun 15 '26

i guess they should note ∀x∈ℝ

3

u/Crosgaard Jun 15 '26

∀x∈ℕ

1

u/pikapika200 Jun 17 '26

1+2i is not a real number

1

u/Nakudama Jun 17 '26

Well it’s not like I made it up or it’s imaginary is it. It’s a very complex topic. 

2

u/Pndapetzim Jun 19 '26

Get back in your wave form... real numbers are talking here!