SAT Math Practice Question #28124 - SATify | SATify

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SAT Math Practice Question #28124 - SATify | SATify

#28124

number theory

divisibility

hard

150 sec

For how many positive integers $n$ does $1 + 2 + \dots + n$ evenly divide $8 n$ ?

A.

3

B.

4

C.

5

D.

6

E.

7