Yes, 3 is a factor of 72. To determine if 3 is a factor, we can divide 72 by 3. If the result is a whole number, then 3 is indeed a factor of 72.
Performing the division:
72 รท 3 = 24
Since 24 is a whole number, we can conclude that 3 divides evenly into 72 without leaving a remainder, confirming that 3 is a factor of 72.