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- Video Course
- Video Course Overview - READ FIRST
- General GMAT Strategies - 7 videos (all free)
- Data Sufficiency - 16 videos (all free)
- Arithmetic - 38 videos (some free)
- Powers and Roots - 36 videos (some free)
- Algebra and Equation Solving - 73 videos (some free)
- Word Problems - 48 videos (some free)
- Geometry - 42 videos (some free)
- Integer Properties - 38 videos (some free)
- Statistics - 20 videos (some free)
- Counting - 27 videos (some free)
- Probability - 23 videos (some free)
- Analytical Writing Assessment - 5 videos (all free)
- Reading Comprehension - 10 videos (all free)
- Critical Reasoning - 38 videos (some free)
- Sentence Correction - 70 videos (some free)
- Integrated Reasoning - 17 videos (some free)

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## Comment on

Integer Properties Strategies## Brent,

Could you help with the Exercise #161 of OG17?

Thanks,

Pedro

## Glad to help!

Glad to help!

Here's my step-by-step solution: https://gmatclub.com/forum/club-x-has-more-than-10-but-fewer-than-40-mem...

Cheers,

Brent

## Brent,

Thank you!

Cheers,

Pedro

## why is 51 not a prime number?

## 51 = 3 x 17

51 = 3 x 17

The sum of the digits = 5 + 1 = 6

Since 6 is divisible by 3, we know that 51 is divisible by 3

Cheers,

Brent

## Hi! My question is pertaining

## Your interpretation is

Your interpretation is correct; in a set of N consecutive integers, exactly 1 of those integers is divisible by N.

## Hi Brent,

The below question is from MGMAT, need your help in this one. Also if you could suggest more of such questions to practise.

If [x] denotes the least integer greater than or equal to x and [x/2]=0, which of the following could be the value of x ?

-2

-3/2

1/2

1

2

## Here's my full solution:

Here's my full solution: https://gmatclub.com/forum/if-denotes-the-least-integer-greater-than-or-...

Cheers,

Brent

## Came across this on a

What is the tens digit of the positive integer r?

(1) The tens digit of r/10 is 3

(2) The hundredth digit of r 10r is 6

What the best approach for this?

## Here's my full solution:

Here's my full solution: https://gmatclub.com/forum/what-is-the-tens-digit-of-the-positive-intege...

Cheers, Brent

## https://gmatclub.com/forum/if

How can we pick random numbers to prove / disprove the statements here?

## I have shown how we can test

I have shown how we can test numbers in my solution here: https://gmatclub.com/forum/if-a-b-and-c-are-integers-and-abc-0-is-a-2-b-...

Cheers,

Brent

## HI! Could you please help me

https://gmatclub.com/forum/m27-184477.html

Thanks,

Aman

## Here's my full solution:

Here's my full solution: https://gmatclub.com/forum/m27-184477.html#p2289874

Cheers,

Brent

## Hi Brent, could you help me

If a, b, k, and m are positive integers, is a^k a factor of b^m?

(1) a is a factor of b.

(2) k ≤ m.

## TRICKY!!!

TRICKY!!!

Here's my solution: https://gmatclub.com/forum/if-a-b-k-and-m-are-positive-integers-is-a-k-a...

Cheers,

Brent

## Add a comment