Prime-hunting in Sequences of Repeated Digits! #shorts

#shorts #short #prime #primenumber #repeating #repeated #digit #digits #number #numbers #math #mathematics #primes

Combo Class, taught by Domotro, is a crazy educational show where you can have fun learning rare things about math, science, language, and more! This is the channel for Combo Class SHORTS and EXTRAS - make sure you're also subscribed to the main Combo Class channel where full episodes go!

DISCLAIMER: any use of fire, tools, or other science experiments in this series is always done in a safe and professional way. Do not try to copy any actions you see in this series yourself.

[Domotro]

Check out my main channel for a full new episode I dropped today: www.youtube.com/comboclass

[Leo-sdjt]

Videos like this finally made me realize why proofs are required for "obvious" things because things are obvious until it turns out that there's an exception and then what seems to be a sure thing becomes something stranger.

[aycoded]

100-300 years ago, mathematicians might have just assumed there is no prime with a 1 after 12

[efisgpr]

Lol at the trowel

😂 Nice

Love your randomness

[ryla]

You're a smart math guy.
I've noticed a neat repeating pattern and it would be super cool if you could explain what it actually is and how it's used

When you divide 10 by 1.1, 2.22, 3.333 and so on you always get a repeating sequence of numbers that repeats infinitely.

It also seems to work on numbers that aren't 10, but I haven't checked too far into any of it.

Unfortunately, I don't know how to turn it into an equation, but it's just X÷Y.y where y is Y repeated Y times

[stephcrown]

Am I the only one that wonders how he checks these things for different iterations? Is there like an automated way to get a pattern.

For example, how was he able to figure that adding 1's 135 times did not produce a prime. Did he test the number in all cases?

[craiggayle]

Guy has a Lotta time
To find such a large prime

[drtfysdfasdf]

This is similar to why there are some theories that can never be fact because they include infinity.
Great video

[jacknelson]

I love you you are so much fun and so awesome

[hometv-sr]

Yeah. You’re right. I was exactly wondering this a couple of days ago!! 😅😂😅. But watching your channel is really so fun and amazing. Great content mate.

[srabantidey]

What if is actually divisible by three???

[daniels]

am i the only one wondering why he has a shovel?

[steventhury]

If I could figure out how to make this info useful, I'd probably be rich.

[strongfeedback]

Will that number 12(136)1 not be divisible by 3?

[mlfrisk]

Wish me luck for my math exam nest week🙏🙏

[bonnebonny]

Proof that it is prime? I can't put it in my calculator to verify lol

[Aaarrrgh]

And this is (one of the reasons) why induction is impossible.

[ubaidullahpandit]

Well, doesn't it smack of the problem of induction? No matter how many past instances or apparent pattern/regularity we have, our empirical generalizations can never be certain.