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There isn't one. Negative numbers have prime factors and numbers don't stop.

The smallest positive numbers with a prime factor is 2.

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Q: What is the smallest number with prime factors?
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Related questions

What is the smallest number that has 4 different prime factors?

The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210


What is the smallest number that has prime factors of 2 5 and 7?

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Logically, the smallest number with 4 different prime factors would have to be the product of the smallest four prime numbers. So the smallest natural number with four different prime factors is 210 (2*3*5*7).


What is the smallest number with 2 5 and 7 as prime factors?

Well, darling, the smallest number with 2, 5, and 7 as prime factors is 70. You see, 2 x 5 x 7 equals 70, and that's the tiniest number you can whip up with those prime factors. So, there you have it, sweet cheeks, the answer is 70.


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What is the smallest number that has the first 5 prime numbers as its prime factors?

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