Question 22
An odd integer $n$ is less than 1000 and the product of all its digits is 252. How many such integers are there?
For this practice question, take $n$ to be positive. The source omits that domain restriction; it is needed for the intended finite digit-count problem.
For this practice question, take $n$ to be positive. The source omits that domain restriction; it is needed for the intended finite digit-count problem.