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Yes, if you take the range to be inclusive, it even works for 1, since 2 is prime.

The theorem related to this question is called Bertrand's Postulate, or Chebyshev's Theorem, or the Bertrand-Chebyshev theorem.

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Q: Can you always find a prime number between any number and its double?
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Related questions

What is meant by there is at least one prime number between any counting number and its double?

Take any counting number greater than one. 2, 3, 4, 5 and so on. Double it. Between the number and twice the number, there will be at least one prime number. 3, a prime number, is in between 2 and 4.


What is the difference between odd nos and prime nos?

odd is a number you cant halve a prime number is a number that you can double itself and it is odd


What is a double prime number?

"Double prime" is a term used in calculus. I have found no information on anything called a "double prime number".


Is there always a prime number between consecutive square numbers up to 100?

Yes.


Is the sum of a prime number and a composite number always even?

No, the sum of a prime number and a composite number is not always even.


How do you figure out what the largest double digit prime number that when written in reverse is also a prime number?

It is 97. it is largest, because it is the largest double digit prime number.


Does reversing the order of the digits of a two digit prime number always result in a prime number?

No, reversing the order of the digits of a two-digit prime number does not always result in a prime number.


What is doubling a number?

"Double prime" is a term used in calculus. I have found no information on anything called a "double Prime number".


Do you always get a prime number when you rivers a two digit prime number?

No, and you do not even if you reverse them.


What are all of the factors of a prime number?

It is always 1 and the prime number itself.


Is a prime number always greater than 1?

Yes, a prime number is always greater than 1.


Is 1 always a prime factorization of a number?

Never. 1 is not a prime number.