
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The number $m$ is a positive integer and is the product of four distinct prime factors $x$, $y$, $10x+y$, and $z$, where $x$, $y$, and $z$ are each less than 20. What is the largest possible value of $m$ such that $m$ is a four-digit number?

Present the answer in LaTex format: \boxed{Your answer}
user