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Product of unique prime factors

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Elam

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Nov 24, 2009, 2:00:01 PM11/24/09
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Is there a name for product of the unique prime factors of a number?
For example, for 12, it would be 3x2=6.

Does not sound like a research question. I could not find an answer
elsewhere.

Thanks.

Fred Galvin

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Nov 24, 2009, 3:04:08 PM11/24/09
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On Nov 24, 1:00�pm, Elam <elampoora...@gmail.com> wrote:
> Is there a name for product of the unique prime factors of a number?
> For example, for 12, it would be 3x2=6.

http://en.wikipedia.org/wiki/Radical_of_an_integer

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