Brain Teasers
Prime territory
We know that a prime number is a number whose only factors are itself and 1. We also know that there is only one even prime number - and that is 2. Now for the puzzle, which is to find a three-digit number with the following properties:
1) Each of the three digits is a prime number and,
2) Each of those digits divides evenly into the three-digit number.
1) Each of the three digits is a prime number and,
2) Each of those digits divides evenly into the three-digit number.
Answer
The only number that satisfies both conditions is 735.Hide Answer Show Answer
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