SAT Math Practice Question #22437 - SATify | SATify

Home Practice Exams Features Pricing Quick Start Guide About

Loading...

SAT Math Practice Question #22437 - SATify | SATify

#22437

number theory

prime numbers

Totient Function

medium

90 sec

Find the sum of the unique prime factors of the integer $210$ .

A.

17

B.

15

C.

12

D.

20

E.

23