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What is the least natural number that has exactly 4 distinct odd factors?

Updated: 12/17/2022

Wiki User

10y ago

3*5*7*9 = 945

...check if any number less than that has exactly four distinct factors.

Wiki User

10y ago

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Q: What is the least natural number that has exactly 4 distinct odd factors?
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It is in fact 72

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It is 2^6 = 64.