SAT Math Practice Question #3743 - SATify | SATify

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SAT Math Practice Question #3743 - SATify | SATify

#3743

number theory

prime numbers

Totient Function

medium

90 sec

What is the sum of the distinct prime integer divisors of $1980$ ?

A.

15

B.

18

C.

21

D.

25

E.

30