Whats wrong with this If statement?

Hi
I am pretty new to bash scripting.I am trying to write the if statement in bash and it give me error. Can you please help me what I am doing wrong in If statement?

Code:
if [$DB_SIZE%$kk==0] && [$DB_SIZE/$kk<=$M] && [$DB_SIZE/$kk >= $divide]
then

			fector=$kk;
			divide=$DB_SIZE/$kk;
			echo "factor value:$fector"
			echo"divide value:$divide"
			

fi

line 1: [1024%2==0]: command not found

Double posted topic.

Continue here.