Why no square number end with 7? Because the unit digit of any number squared will not end in 7. Square numbers will also not end in 2,3,8.

What about 24

All of the numbers in the second problem were even. That is because in a group of three consecutive numbers, there has to be at least one even number, and when you multiply a number by an even number, you get another even number.

I'm doing his Algebra Class and my man is hilarious

@moonchilled8869

Жыл бұрын

Yeah right there Harvey 👊

I like this slick dude!

10:30 I know I'm 9 years late but 24 also satisfies both those conditions

@someperson9052

2 жыл бұрын

@mxerrybelle #tysm for 40! Thanks, I need to read questions properly

@saimazehra6462

6 ай бұрын

It has to be a three digit number

I love aops its the best I just finished the pre-algebra book

OR you could... CHINESE REMAINDER THEOREM! That saved my butt during math team this year since modular arithmetic was one of the topics.

@ALi-qh6xb

4 жыл бұрын

whats that?

Harvey's favorite number is 544.

Why do you try to disguise yourself as "the other guy" because the description clearly states that you are "Richard Rusczyk"

@SK-rv5jn

4 жыл бұрын

It is called an alter ego

5:13

not this guy why

this guy is crazy i think he escaped prison

what about 24

@chuyanwang1072

5 жыл бұрын

divided by 6 does not get a remainder of 4

@SK-rv5jn

4 жыл бұрын

divide by 6 you get 4 with no remainder

@vivianz8459

4 жыл бұрын

24 has 2 digits, not 3