MCQ
The remainder when $3^{37}$ is divided by $80$ , is
  • A
    $0$
  • B
    $1$
  • $3$
  • D
    $9$

Answer

Correct option: C.
$3$
c
$3^{37} = 3. (3^4)^9 = 3(81)^9$

$\therefore $ rem is $3$

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