
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
On a board, the numbers $1, 2, \ldots, 100$ are written. At each stage, all numbers that do not have any divisors among the remaining numbers other than themselves are simultaneously erased. For example, at the first stage, only the number 1 is erased. Which numbers will be erased in the last stage?

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