Q: What is the smallest the smallest whole number with exactly 4 different factors?

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The smallest number that has exactly eight factors is 24. The factors of 1,2,3,4,6,8,12, and 24

The factors of 4 are 1, 2, and 4 .

I belive it is 4. The factors of 4 are 1,4, and 2.

The smallest number with exactly eight factors is 24.

6

192

100

48

12

192

1260

6

4096

Answer16 is the smallest natural number that has exactly five factors; which are: 1, 2, 4, 8, and 16. Only squares have an odd number of factors.

1024

The smallest number that has exactly three factors is 4.

The smallest is 192 but there are infinitely many such numbers. For example, take any prime number to the 13th power and the result will have exactly fourteen factors. The smallest is 192.

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

It is in fact 72

1369

4096 is the smallest number with exactly 13 factors. (Including 1 and itself as factors).192 is the smallest number with exactly 13 properfactors, (excluding the number itself).120 is the smallest number with at least 13 factors (it has 16 factors)To find the smallest number with exactly N factors (for example, N=12):Factor N into primes, (for example, 12= 2*2*3Subtract 1 from each of the prime factors (for example, 1,1,2)Sort them by largest first (for example, 2,1,1)Raise successive prime numbers to these powers (for example, 2^2,3^1,5^1)Multiply these together (for example: 4*3*5 = 60; 60 is the smallest number with exactly 12 factors).

4? the factors of 4 are 1,4 and 2

6. Factors are 1, 2, 3, and 6.

1024 has exactly eleven. 60 has twelve, so it has eleven as well.

8, 2*2*2