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Prime squares have three factors. There are 11 of them in that range.

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Q: How many natural numbers less than 1000 have exactly three distinct positive integer divisors?
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Related questions

What is a prime nunmber?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What is the smallest positive integer with 14 positive divisors?

It is 192.


What is classified as prime number?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What re prime numbers?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What does prime mean in number?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What does makes a number prime?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What is a mathematical prime number?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


Characteristics of a prime number?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What ia a prime number?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What kind of number is a prime number?

A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.


What is the smallest positive integer with 25 divisors?

It is 1296.


How many positive integer divisors does 3000000 have?

98 of them.