# math

posted by .

what is the least natural number that has exactly four distinct positive factors?

• math -

It should be 2 x 3 x 5 x 7, I think, i.e. the product of the first four prime numbers.

## Similar Questions

1. ### math

Find the smallest positive whole number with exactly ten positive factors and list the factors.
2. ### Math

find the greatest four-digit number that has exactly three positive factors.
3. ### Math

There are three distinct ways to add four positive odd numbers to obtain 10: 1 + 1 + 3 + 5 = 10 1 + 1 + 1 + 7 = 10 1 + 3 + 3 + 3 = 10 Here, distinct means that changing the order of the numbers on the left-hand side of an equation …
4. ### math

what is the least natural number that has exactly five distinct, positive factors?
5. ### math

what is the sum of the two least natural numbers that each have exactly six distinct,positive factors?
6. ### math

what is the least positive integer with exactly 10 factors?
7. ### pcm

For positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime number, what is the minimum possible value of f(75p2)?
8. ### math

For a positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime number, what is the minimum possible value of f(75p2)?
9. ### algebra

For a positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime number, what is the minimum possible value of f(75p2)?
10. ### math

For a positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime number, what is the minimum possible value of f(75p^2)?

More Similar Questions