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The square of any Prime number has exactly three factors: 22, 32, 52, etc.

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14y ago

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Which whole number less than 100 has the fewest number of factors?

That would be 1. The only factor of 1 is 1. All other whole numbers have at least two factors. Prime numbers have exactly two factors, while composite numbers have more than two factors.


What is a number that is less than 3 and has three factors?

The smallest number that has exactly three factors is 4.


What number is less than 30 and has exactly 8 factors?

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What whole number less than 150 has odd number of factors?

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What whole number less than 100 has 9 factors?

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What whole number less than 100 have nine factors?

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How many whole numbers less than 10 have an odd numbers of unique factors?

A whole number has an odd number of unique factors if and only if it is a perfect square. The perfect squares less than 10 are 0, 1, 4, and 9. Therefore, there are four whole numbers less than 10 that have an odd number of unique factors.


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