Best Answer

16 if the prime factors don't have to be distinct.

210 if they do.

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All prime numbers only have one prime factor.

Q: What is the smallest prime number that has 4 prime factors?

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4

4, which is the square of the prime number 2, is the smallest composite number.

4

It is: 4

No. The number 2 is a prime number. The smallest, positive composite number is 4.

Related questions

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

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).

How about: 210

210 with factors of 2, 3, 5, and 7

The smallest prime number is 2.

The number 6. Its prime factors are 1,2 & 3 * * * * * Most mathematicians would argue that the correct answer is 2*3*5 = 30 on the grounds that 1 is NOT a prime.

4

210 is the smallest number having 4 prime factors, 2 x 3 x 5 x 7.

4, which is the square of the prime number 2, is the smallest composite number.

4

4

It is: 4