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# What are all the numbers that have three factors?

Updated: 8/30/2023

Wiki User

11y ago

That's an infinite list. Numbers with three factors are the squares of prime numbers.

Wiki User

11y ago

Wiki User

11y ago

3, 6, 9, 12, 15 and just keep adding three until you get to infinity.

Wiki User

11y ago

All prime squares have just three factors. Example: 9, 25

Wiki User

10y ago

Squares of prime numbers

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