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Can you always find a prime number between any number and its double?
Wiki User
∙ 13y ago
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.
Wiki User
∙ 13y ago
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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.
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.
Do you always get a prime number when you rivers a two digit prime number?
No, not always. When you reverse a two-digit prime number, the result may or may not be a prime number. It depends on the specific number you are reversing.
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, not always. When you reverse a two-digit prime number, the result may or may not be a prime number. It depends on the specific number you are reversing.
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.
