If $\phi (n)$ represents Euler quotient function, then what is the value of $\phi (39)$ ?
Answer & explanation
Correct answer: option 1
The correct answer is option (1) : 24
$\phi (39) =\phi (3×13)$
$=\phi(3)×\phi(13)$
$=(3-1)(13-12)$
$=24$
If $\phi (n)$ represents Euler quotient function, then what is the value of $\phi (39)$ ?
Correct answer: option 1
The correct answer is option (1) : 24
$\phi (39) =\phi (3×13)$
$=\phi(3)×\phi(13)$
$=(3-1)(13-12)$
$=24$