Identify whether the following number is composite number.

$79$

Write whether the given number is divisible by $3$?

$121212$

Write whether the given number is divisible by $3$?

$505550$

Write whether the given number is divisible by $3$?

$4132$

Write whether the given number is divisible by $3$?

$453052$

Write whether the given number is divisible by $3$?

$97621$

Write whether the given number is divisible by $3$?

$165651$

Write whether the given number is divisible by $3$?

$168681$