Maximising Output

Using all of the digits 1, 2, 3, 4 and 5 exactly once and once only, make two or more numbers, for example:  5, 12 and 34

Multiply these numbers together: 5 x 12 x 34 = 2 040.

Try other arrangements of the digits 1 to 5.

What is the greatest product that can be made?

AIMSSEC Teacher Notes MAXIMISING OUTPUT