MCQ
A number which is a factor of every number is ____ .
  • A
    $0$
  • $1$
  • C
    $2$
  • D
    $5$

Answer

Correct option: B.
$1$
$11$ is the smallest factor of a multiple and the greatest factor of a multiple is the multiple itself.
So, $11$ is a factor of every multiple.
Option $B$ is the correct answer.

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