Some 4 digit numbers can be written as the product of a 3 digit number and a 2 digit number using each of the digits $1$ to $9$ once, and only once.
The number $4396$ can be written as just such a product.
Can you find the factors?
Maths is full of surprises!
The numbers $5796$ and $5346$ can each be written as a product like this in two different ways.
Can you find these four funny factorisations?
There are two more funny factorisations to find, using each of the digits $1$ to $9$ once, and only once.
Can you fill in the blanks in the multiplication below to find one of them?
If you know a bit about computer programming, you may wish to write a program to find the final funny factorisation.