If a guy (early 30s) asks a girl her age does that signify potential interest?

For context, say the 2 young adults in question had just met that day and had a few easy good conversations by this point. They came from the same background, spoke the same language, and enjoyed talking, but lived in different parts of the country. (It wasn't considered a rude question, it flowed through the conversation).

As a guy who is in the 'dating' age range (30's), what does it mean if he asks a girl her age? Is there any other reason than for curiosity of potentially being interested/dating in her?

If a guy (early 30s) asks a girl her age does that signify potential interest?
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