For a positive integer n, if 5^n is a factor of 25!, but ...

Free Practice Question

PS · Problem Solving

505-555

Number Properties

For a positive integer n, if

5^n

is a factor of

25!

, but

5n+1

is not a factor of

25!

, what is the value of n?

Sign in to reveal the correct answer

A

5

B

6

C

7

D

8

E

9

Sign in for free to check your answer and unlock the full explanation.

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.

Comments

Sign in to join the discussion

Be the first to share your thoughts and help others understand it better.