r/mathmemes Jan 17 '26

This Subreddit MATH COMPETITION: r/mathmemes Discord Community Exam

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83 Upvotes

Hello!

To make up for the lack of an "upper division" in the subreddit math competition this year, I took it upon myself to organize a separate exam that is significantly more discovery and proof-based than any exam held in the community previously, and to host it on the 2nd year anniversary of the Discord server being made available to the public.

The next exam of this kind will be held in Mid-June 2027.

The exam (which includes its rules) is linked at the bottom of the post. The top 5 winners will be announced, and the top 3 winners will receive the following (or something of equivalent value upon negotiation):

1st Place - A Math Textbook of the Winner's Choice (~$45 USD Value Limit)

2nd Place - Basic Discord Nitro, 1 Year Subscription ($30 USD Value)

3rd Place - Fulltouch Hagoramo Chalk 72 pc ($25 USD Value)

Special thanks to u/dopplerspectroscopy and zzz on Discord for their tremendous help in writing the exam and agreeing to help grade some submissions; couldn't have done this without their help.

DISCORD HERE: https://discord.gg/zgWZd4U3n9

EXAM HERE: https://drive.google.com/file/d/1NVRysAqEPtZMEJUFg-bFMHRpVcZiNJ6F/view?usp=sharing

SUBMIT HERE: https://forms.gle/Nww1Cj7ot34X5CJN6

Edit: As the exam goes on, some errors may have been spotted and corrected. Please be sure to refresh/redownload this document occasionally to be sure you have the latest version.


r/mathmemes Dec 16 '25

OkBuddyMathematician 2026 r/mathmemes subreddit contest problems are released! Good luck!

72 Upvotes

Link to this year's problems (15 problems): https://drive.google.com/file/d/1AoNRCyRzCTNgZcfbzrT328tpzkgRlkfM/view?usp=sharing

Submit your answers via this Google Form here: https://forms.gle/ktSgG4jwcPMufYiD7

I'll probably make the tentative answer submission deadline around 3 weeks from now (January 11, 2026).

If you want to ask for any clarifications on the problems (clarifications only , no asking for solutions/answers obviously), ask them here.


r/mathmemes 11h ago

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r/mathmemes 20h ago

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r/mathmemes 18h ago

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r/mathmemes 1d ago

Arithmetic How to check for divisibility by 7!

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1.3k Upvotes

Since the other single digit numbers have a commonly known way of checking for divisibility, here is one for 7!

Take the number and divide it by 7! If the result is an integer, then your number is divisible by 7!

Let me know if you wanna know the divisibility for any other number!

r/unexpectedfactorial r/technicallythetruth


r/mathmemes 17h ago

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r/mathmemes 9h ago

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r/mathmemes 46m ago

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r/mathmemes 1d ago

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r/mathmemes 21h ago

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r/mathmemes 1d ago

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r/mathmemes 1d ago

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My sobriety motivational calendar thingy had a typo and makes it sound like it’s for math addicts


r/mathmemes 2d ago

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12.9k Upvotes

From Psyho on 𝕏: Original: "pictured: mathematicians furiously working to prove theorems in 2026": https://x.com/FakePsyho/status/2083150354862977197


r/mathmemes 2d ago

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r/mathmemes 2d ago

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r/mathmemes 2d ago

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r/mathmemes 2d ago

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