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Which prime number has one factor?

Updated: 10/18/2022
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14y ago

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By definition, all prime numbers have exactly two factors. There is not a Prime number that has only one factor.

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Q: Which prime number has one factor?
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What number has only one prime factor?

No prime number only has one factor. Each prime number has itself and 1 as factors. Now, the number 1 of course has only one factor, but it is technically not a prime number.


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