Find the three digit number that satisfies the following conditions:

. Has a factor of 3.
. Has a factor of 5.
. Has a factor of 7.
. All digits are prime.

Describe the thinking process you went through to solve this problem.

4 answers

3 * 5 * 7 = ?
I forgot that 0 is not prime.

However, 525 meets the criteria
735 also works.
so does 315