SAT Math Practice Question #3744 - SATify | SATify

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SAT Math Practice Question #3744 - SATify | SATify

#3744

number theory

prime numbers

Totient Function

medium

90 sec

Find the sum of the unique prime factors of the integer $1386$ .

A.

17

B.

20

C.

23

D.

26

E.

30